最新人教版五年级上册数学口算题

1
五年级上册口算（一） 分数
1
2 0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
3 0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
4 7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
5 6.01×0.3= 0×34.5= 45.2×2=
6 1.3×3= 4.25×4=
7 0. 07×0.5= 33×0.04= 6.5×4= 8 2.3×0.06= 15×0.08=
9 0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9= 10 0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
11 6×6.5= 3.6×0.7= 12 6.5×0.4= 8.5×0.2=
13 0.66×0.3= 14 2.5×0.4= 7.7×0.8=
15 0.012×20=
4.6×0.4=
16 3×0.09= 17 2.2×0.05=
4.1×0.6=
18 0.75×0.4=
23×0.4=
19 0.32×100=
20
2
五年级上册口算 （二） 分数
21
22 5.5×2= 4.73×10= 23 0×23.5= 0.25×4= 24 7.2×0.5= 25 3.3×0.5=
60×0.8=
26 3.4×0.6= 0.125×8= 4-1.4=
27 82-7.2= 19+9.1= 4.1-0.89= 28 5.68+0.42= 6.1-5.1=
29 0.72- 0.24= 0.8+0.18= 0.89-0.25= 30 1-0.98= 0.048+0.52=
31 5×400= 19.9+11.1= 187÷1000= 32 1+3.89= 0.081×10=
33 75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8= 34 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 35 2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4= 36 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 37 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
38 五年级上册口算（三） 分数
39
3
40 0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250= 41 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 42 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 43 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 44 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 45 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 46 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 47 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 48 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 49 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
50 五年级上册口算（四） 分数
51
52 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 53 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 54 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
55 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
56
4
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 57 3.7+0.33= 0.51+0.33= 1-0.6= 8-
4.6=
5.8-3.6= 58 0.52+0.4=
6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 59 8.8-6.7= 10+0.08= 9.5-
7.3= 7.2+0.8= 7.82+0.3= 60
8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 61 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
62 五年级上册口算（五） 分数
63
64 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 65 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2= 66 0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4= 67 4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32= 68 0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25= 69 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9= 70 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13= 71 1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3= 72 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
73
5 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
74 五年级上册口算（六） 分数
75
76 5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2= 77 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12= 78 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 79 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 80 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5= 81 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9= 82 9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4= 83 3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5= 84 1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5= 85 3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
86 五年级上册口算（七） 分数
87
88 1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9= 89 0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6=
90
6
1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8= 91 4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6= 92 1.76÷0.4=
2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9= 93 1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2= 94 8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8= 95 0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7=
3.69÷0.9= 96 2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝ 97 1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
98 五年级上册口算（八） 分数
99
100 5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝ 101 12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝ 102 7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝ 103 0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝ 104 7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4= 105 10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52= 106 3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08=
107
7 4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2= 108 2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24= 109 8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
110 五年级上册口算（九） 分数
111 112 0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
113 0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6114 ＝
115 0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7116 ＝ 0.92×0.4＝
117 0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 118 0.2×0.4＝
119 8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4120 ＝ 2.4×5＝
121 0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1122 ＝ 0×3.52＝ 123 12.5×8
＝
8÷10
124 = 1.47÷0.7= 0.43+3.57= 0.9×0.8=
125 1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2=
126 16.5×10=
127
8
0.56×100= 3.78×100= 4÷0.8 =
128 3.215×100= 0.8×10=
129 4.08×100= 1.1×0.2 = 0.6×0.8 130 = 3×0.9= 2.5×0.4=
131 五年级上册口算（十） 分数
132
133 3.6×0.4= 12.5×8= 50×0.04= 80×0.3 134 = 1.1×9=
135 0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 136 = 0.7÷0.01 =
137 2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 138 = 5.37×0+4.63 =
139 3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7140 ＋7.3=
141 0.3×0.3= 7.2＋ 2.8＝ 0.9÷0.01142 ＝ 12÷0.3= 2.87÷0.7＝
143 13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25144 ＝ 2.5×0.7×0.8=
145 8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25146 ＝ 0.36＋0.64＝
147
9
64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋148 9.9＝
149 2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5150 ＝ 12×2.5＝
151 1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 152 8.8÷2.2=
153 五年级上册口算（十一） 分数
154
155 0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2156 ＝ 7.2×0.3=
157 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08158 ×100=
159 2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 160 1.4×5=
161 2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5= 162 3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6= 163 0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16= 164 8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03= 165 4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01=
166
167
4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89= 168
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1= 169
五年级上册口算（十二）分数
170
171
0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06=
172
1.25÷0.25= 1-0.75=
2.6÷1.3= 4.4+6.6= 7.4-0.54= 173
7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26= 174
2.5×6= 5.4×6= 0.07×20= 0.45÷5=
3.5-2.9= 175
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9=
176
17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5= 177
60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15= 178
2.4×5=
3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3= 179
0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67=
180
2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100= 181
五年级上册口算（十三）分数
10
182
11
0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09= 183 0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15= 184 0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2= 185 0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6= 186 12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9= 187 0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6= 188 7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32= 189 12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8= 190 5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1= 191 0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
192 五年级上册口算（十四） 分数
193
194 0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
195 0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
196 7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
197 6.01×0.3= 0×34.5= 45.2×2=
198 1.3×3= 4.25×4=
199 0. 07×0.5= 33×0.04= 6.5×4=
200
12
2.3×0.06= 15×0.08=
201 0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9= 202 0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
203 6×6.5= 3.6×0.7= 204 6.5×0.4= 8.5×0.2=
205 0.66×0.3= 206 2.5×0.4= 7.7×0.8=
207 0.012×20=
4.6×0.4=
208 3×0.09= 209 2.2×0.05= 4.1×0.6=
210 0.75×0.4=
23×0.4=
211 0.32×100=
212 五年级上册口算 （十五） 分数
213
214 5.5×2= 4.73×10= 215 0×23.5= 0.25×4= 216 7.2×0.5= 217 3.3×0.5=
60×0.8=
218 3.4×0.6= 0.125×8= 4-1.4=
219 82-7.2= 19+9.1= 4.1-0.89= 220 5.68+0.42= 6.1-5.1=
221
13
0.72- 0.24= 0.8+0.18= 0.89-0.25= 222 1-0.98= 0.048+0.52=
223 5×400= 19.9+11.1= 187÷1000= 224 1+3.89= 0.081×10=
225 75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8= 226 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 227 2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4= 228 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 229 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
230 五年级上册口算（十六） 分数
231 232 0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250= 233 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 234 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 235 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 236 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 237 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53=
238 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13=
239
14
4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 240 23×100= 9.8-4.8= 480÷40= 0.53÷100=
5.1+2.3= 241 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
242 五年级上册口算（十七） 分数
243
244 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 245 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 246 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 247 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 248 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 249 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 250 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 251 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 252 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 253 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
254 五年级上册口算（十八） 分数
255
256
15
2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2= 258 0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4= 259 4.7+2.3= 4.5×2= 7.2×0.8= 6×
3.4= 0.62-0.32= 260 0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25= 261 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9= 262 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13= 263 1.64+
4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3= 264 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32= 265 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
266 五年级上册口算（十九） 分数
267
268 5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2= 269 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12= 270 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 271 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 272 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
273
16
9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4= 275 3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5= 276 1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5= 277 3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
278 五年级上册口算（二十） 分数
279
280 1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9= 281 0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6= 282 1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8= 283 4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6= 284 1.76÷0.4= 2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9= 285 1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2= 286 8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8= 287 0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7= 3.69÷0.9= 288 2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝ 289 1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
290
17
五年级上册口算（二十一） 分数
291
292 5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝ 293 12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝ 294 7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝ 295 0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝ 296 7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4= 297 10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52= 298 3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08= 299 4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2= 300 2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24= 301 8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
302 五年级上册口算（二十二） 分数
303 304 0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
305 0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6
306 ＝
307
18
0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7308 ＝ 0.92×0.4＝
309 0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 310 0.2×0.4＝
311 8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4312 ＝ 2.4×5＝
313 0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1314 ＝ 0×3.52＝ 315 12.5×8
＝
8÷10
316 = 1.47÷0.7= 0.43+3.57= 0.9×0.8= 317 1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2=318 16.5×10= 319 0.56×100=
3.78×100=
4÷0.8
=
320 3.215×100= 0.8×10=
321 4.08×100= 1.1×0.2 = 0.6×0.8 322 = 3×0.9= 2.5×0.4=
323 五年级上册口算（二十三） 分数
324
325 3.6×0.4= 12.5×8= 50×0.04= 80×0.3 326 = 1.1×9=
327
328
0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 329
= 0.7÷0.01 =
330
2.5×0.4 =12－
3.9= 1.25×8÷1.25 = 6.6÷0.66 331
= 5.37×0+4.63 =
332
3.9＋2.03＝
4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7 333
＋7.3=
334
0.3×0.3=7.2＋ 2.8＝0.9÷0.01 335
＝12÷0.3= 2.87÷0.7＝
336
13÷4＝0.96÷0.3＝ 1.5×0.4＝7÷0.25 337
＝ 2.5×0.7×0.8=
338
8－2.5＝16÷1.6＝ 5.6×1.01=8×0.25 339
＝0.36＋0.64＝
340
64.32÷16＝ 4.2÷0.1＝72.8÷0.8＝8.4÷4.2＝ 13.8＋341
9.9＝
342
2.4×2.5＝0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5 343
＝12×2.5＝
344
1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝19.6÷2＝345
8.8÷2.2=
346
五年级上册口算（二十四）分数
19
347
20
0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2348 ＝ 7.2×0.3=
349 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08350 ×100=
351 2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 352 1.4×5=
353 2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5= 354 3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6= 355 0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16= 356 8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03= 357 4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01= 358 4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89= 359 0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
360 五年级上册口算（二十五） 分数
361
362 0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06= 363 1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54= 364 7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26=
365
21
0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9= 367 17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5= 368 60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15= 369 2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3= 370 0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67= 371 2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
372 五年级上册口算（二十六） 分数
373 374 0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09= 375 0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15= 376 0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2= 377 0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6= 378 12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9= 379 0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6= 380 7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32=
381 12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8=
382
22
0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
384 五年级上册口算（二十七） 分数
385
386 0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
387 0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
388 7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
389 6.01×0.3= 0×34.5= 45.2×2= 390 1.3×3= 4.25×4=
391 0. 07×0.5= 33×0.04= 6.5×4= 392 2.3×0.06= 15×0.08=
393 0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9= 394 0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
395 6×6.5= 3.6×0.7= 396 6.5×0.4= 8.5×0.2=
397 0.66×0.3= 398 2.5×0.4=
7.7×0.8=
399 0.012×20=
4.6×0.4=
400 3×0.09=
401
23
2.2×0.05= 4.1×0.6=
402 0.75×0.4=
23×0.4=
403 0.32×100=
404 五年级上册口算 （二十八） 分数
405
406 5.5×2= 4.73×10= 407 0×23.5= 0.25×4= 408 7.2×0.5= 409 3.3×0.5=
60×0.8=
410 3.4×0.6= 0.125×8= 4-1.4=
411 82-7.2= 19+9.1= 4.1-0.89= 412 5.68+0.42= 6.1-5.1=
413 0.72- 0.24= 0.8+0.18= 0.89-0.25= 414 1-0.98= 0.048+0.52=
415 5×400= 19.9+11.1= 187÷1000= 416 1+3.89= 0.081×10=
417 75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8= 418 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 419 2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4= 420 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09=
421
24 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
422 五年级上册口算（二十九） 分数
423 424 0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250= 425 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 426 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 427 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 428 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 429 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 430 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 431 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 432 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 433 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
434 五年级上册口算（三十） 分数
435
436 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 437 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8=
438
25
21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 439 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 440 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 441 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 442 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 443 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 444 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 445 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
446 五年级上册口算（三十一） 分数
447
448 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 449 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2= 450 0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4= 451 4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32= 452 0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25= 453 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9= 454 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=
455
26
1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+
2.3= 456 4.5×2= 6.9－2.5= 7.2×0.8= 6×
3.4= 0.62－0.32= 457 1.4×0.5= 0.75×100= 0.02×0.5= 3.6÷0.3= 6.3÷7=
458 五年级上册口算（三十二） 分数
459
460 5.6÷100= 0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2= 461 0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6= 3.6÷12= 462 0.8×1.1= 7.2+12.8= 46.7－3.8= 12.8÷4= 5.2÷13= 463 12.5÷5= 1.64÷41= 10÷20= 24÷15= 8.65×10= 464 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5= 465 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9= 466 9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4= 467 3.28×0.1= 3.9÷0.13= 7.2×0.1= 0.01×0.1= 1÷2.5= 468 1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5= 469 3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2=
470 五年级上册口算（三十三） 分数
471
472
27
1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9= 473 0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6= 474 1.92÷0.4= 0.9÷0.3= 5.11÷0.7= 0.35÷0.1= 3.92÷0.8= 475 4.32÷0.9= 0.24÷0.8= 3.15÷0.7= 0.98÷0.7= 1.8÷0.6= 476 1.76÷0.4=
2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9= 477 1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1= 1.54÷0.2= 478 8.28÷0.9= 3÷0.5= 1.71÷0.3= 7.44÷0.8= 2.48÷0.8= 479 0.75÷0.5= 1.92÷0.8= 1.2÷0.8= 0.07÷0.7=
3.69÷0.9= 480 2.28÷0.3= 0.25×0.4= 1.6÷0.8= 0.8×7＝ 1.32×8＝ 481 1.5×7＝ 0.7×8＝ 10.3×2＝ 3.5×0.2＝ 0.9×0.3＝
482 五年级上册口算（三十四） 分数
483
484 5×0.6＝ 10×0.05＝ 0.13×7＝ 0.7×4＝ 0.05×4＝ 485 12.5×8＝ 0.4×50＝ 3.25×0＝ 2.3×4＝ 2.6×3＝ 486 7.5×0.1＝ 0.45×0.2＝ 4.1×2＝ 3.5×0.01＝ 9×0.5＝ 487 0×9.8＝ 3.9＋0.39＝ 4.1×2＝ 2.6×3＝ 1.25×8＝ 488 7.5×0.1＝ 1×0.06＝ 0.9×0.3＝ 9×0.5= 2.5×0.4=
489
28
10－3.52= 8.2＋1.8= 0.2×0.4= 0.22×4= 0.9－0.52= 490 3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08= 491 4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 7.82－7.2= 492 2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24= 493 8.1－5.1= 0.89－0.25= 1－0.98= 0.48＋0.52= 0.5×40=
494 五年级上册口算（三十五） 分数
495 496 0.125×8= 5.6÷1.4＝ 0.28÷1.4＝ 0.1÷0.5= 3.88÷0.4=
497 0.21×100= 3.4－1.4= 0.45×2.5＝ 0.8×1.25＝ 0.3×3.6498 ＝
499 0.3×0.3＝ 10×0.07＝ 0.3×1.4＝ 0.05×7500 ＝ 0.92×0.4＝
501 0.2×0.26＝ 0.14×4＝ 0.02×0.1＝ 1.2×0.3＝ 502 0.2×0.4＝
503 8.2＋1.8＝ 100-35.22＝ 2.3×4＝ 2.5×0.4504 ＝ 2.4×5＝
505 0.22×4＝ 3.25×0＝ 0.9－0.52＝ 3.99×1506 ＝ 0×3.52＝ 507 12.5×8
＝
8÷10
508
29
= 1.47÷0.7= 0.43+3.57= 0.9×0.8= 509 1÷0.5= 0.96÷3= 2.5×4×12= 10-1.8-7.2=510 16.5×10= 511 0.56×100=
3.78×100=
4÷0.8
=
512 3.215×100= 0.8×10=
513 4.08×100= 1.1×0.2 = 0.6×0.8 514 = 3×0.9= 2.5×0.4=
515 五年级上册口算（三十六） 分数
516
517 3.6×0.4= 12.5×8= 50×0.04= 80×0.3 518 = 1.1×9=
519 0.16×5 ﹦ 1.78＋2.2 = 9.6÷0.6 = 1.2×0.5-0.4 520 = 0.7÷0.01 =
521 2.5×0.4 = 12－3.9= 1.25×8÷1.25 = 6.6÷0.66 522 = 5.37×0+4.63 =
523 3.9＋2.03＝ 4.2÷3.5＝ 1.6+2.4×0.3 = 2.14－0.9＝ 2.7524 ＋7.3=
525 0.3×0.3= 7.2＋ 2.8＝ 0.9÷0.01526 ＝ 12÷0.3= 2.87÷0.7＝
527 13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25
528
30 ＝ 2.5×0.7×0.8=
529 8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25530 ＝ 0.36＋0.64＝
531 64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 8.4÷4.2＝ 13.8＋532 9.9＝
533 2.4×2.5＝ 0.05×0.8＝ 2.56－0.37＝ 1.25×0.8×0.5534 ＝ 12×2.5＝
535 1.23×3＝ 3.2÷1.6= 3.5＋3.5×3＝ 19.6÷2＝ 536 8.8÷2.2=
537 五年级上册口算（三十七） 分数
538
539 0.75×4＝ 0.5×0.8= 8.4×0.2= 1.6×0.2540 ＝ 7.2×0.3=
541 2.8×0.3= 0.9÷0.15= 1.8×0.4= 5.5÷0.55= 0.08542 ×100=
543 2.2÷0.11= 5.46＋4.54= 12.5×0.8= 0.35×0.3= 544 1.4×5=
545 2.8×4= 19.6÷4= 4÷0.5= 7.5÷1.5= 10÷2.5= 546 3.52÷1= 1.5÷3= 2.2×6= 0.42÷7= 0.42÷0.6= 547 0.48÷0.8= 0.9÷0.45= 5.1÷0.17= 0.81÷9= 4.8÷0.16=
548
31
8.4÷0.4= 1.8×5= 4.5÷0.9= 2.9÷100= 1.5÷0.03= 549 4.4÷0.11= 9.6÷16= （1.5＋0.25）×4＝ 22.5×4= 1÷0.01= 550 4.2×5= 3÷0.5= 6.1-0.5= 0.38+4.2= 0÷3.89= 551 0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
552 五年级上册口算（三十八） 分数
553 554 0.125×80= 4×2.5= 1.2÷0.04= 0.7+6.53= 3.6÷0.06= 555 1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54= 556 7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26= 557 2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9= 558 0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9= 559 17.3-0.8= 2.5÷0.5= 2.16-1.6= 30.4÷4= 2.5÷5= 560 60×3.2= 8.4÷0.5= 87-8.7= 1.8×0.5= 4.5÷0.15= 561 2.4×5= 3.6÷0.02= 0.29÷0.01= 1.5+0.9= 15÷0.3= 562 0.06×0.9= 0.96÷0.8= 2.4×11= 8.1÷9= 60.3+0.67= 563 2.8×5= 0.72÷0.6= 0.5×6= 0.001÷0.1= 187÷100=
564 五年级上册口算（三十九） 分数
565
32 566 0.9+0.28= 1÷4= 4.03×0.5= 1.2+0.08= 7.2÷0.09= 567 0.13×4= 0.3÷0.2= 1.2÷0.4= 0.6×11= 0.45÷0.15= 568 0.25+0.5= 15×0.3= 10÷2.5= 5.8-0.9= 3.4÷2= 569 0.48÷1.2= 4.3+6.9= 1.65÷0.3= 12-1.1= 1.4+2.6= 570 12.4÷4= 12.5×4= 9.5÷0.5= 5÷2= 9.1-1.9= 571 0.36÷0.9= 0×5.4= 2.5×4.4= 3.06÷3= 6.6-6= 572 7.6÷4= 32÷0.5= 0.25-0.19= 0.4÷0.01= 2×0.32= 573 12.5×0.8= 64÷0.8= 3.2-2.3= 60÷0.2= 4.16÷0.8= 574 5.4+6= 0.6÷5= 3.3×8= 0.5×6= 0.001÷0.1= 575 0.6×0.2= 6.4÷4= 7.2÷0.9= 4-0.18= 0.3÷0.1=
576 五年级上册口算（四十） 分数
577
578 0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
579 0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
580 7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
581 6.01×0.3= 0×34.5= 45.2×2=
582。