小数乘法竖式计算题练习
小数乘法计算600道(含答案)
小数乘法计算600道第一部分一．计算题（共50小题）1．直接写出得数．0.4×0.02= 1.8×0.4=6×0.25= 1.25×0.8=3﹣0.98=0.9÷0.01= 3.9×0.01=99×0.25= 2．用竖式计算下面各题．2.4×1.5= 0.46×8.7=（保留一位小数） 2.24×1.8=（保留两位小数）3．用竖式计算．（得数保留两位小数）3.35×1.7≈ 5.63×3.9≈4．用竖式计算．2.97×3.5= 6.05×0.83= 0.78×4.5= 3.36×3.67=5．直接写得数．6.2×0.3= 2.5×0.8=0.06×5=0.16×25=5×2.1=0×48.76=6．用竖式计算（计算结果小数部分超过两位的，保留两位小数）．6.02×0.350.59÷1.4．7．按要求算一算．2.9×1.8 4.58×0.37 0.8×2.5（得数保留一位小数）5.45×1.72（得数保留两位小数）8．列竖式计算：1.8×0.85= 7.6﹣2.19= 50﹣18.75=9．用竖式计算．4.68×1.2= 1.58×2.5=10．竖式计算．1.35×270 6.4×8.05．11．用竖式计算．36×5.518×3.06 3.45×210.28×0.25150×0.120.87×1.50.4×0.076 1.5×0.062 6.5×0.0412．竖式计算．0.94×5.3= 0.91×2.6= 4.06×0.75（保留两位小数）≈8.43×1.5= 0.25×3.2= 7.8×0.9（保留一位小数）≈13．直接写出得数．0.25×4= 1.25×8=8.2×6.9×0=0.2×18=6.29×100=0.02×500= 3.4×2=0.26×0.5= 14．我会口算．0.5×4.4=80÷1.6= 5.5÷0.11=0.06×5=5×0.4×0.8=9.9+10.1= 1.25×0.8=0.08÷0.1= 4﹣0.15= 1.7×5+0.3×5=15．口算．3π=5π=5×3.14=0.5×7=92=62﹣32=4π﹣1.5π=34.6÷0.5=16．用竖式计算，得数保留一位小数．2.4×6.7≈3.5×0.5≈17．直接写出得数．0.8×25=0×4.23=0.57+0.43= 2.4×0.2=0.02×500= 2.8×10=8.29×100= 2.5×0.4= 4.87﹣1.7= 18．列竖式计算．0.64×12.5= 2.8×0.17=19．直接写出得数．0.7×0.9= 0.14×0.3= 5.5×10= 2.6×0.5=20．用竖式计算2.75×3.1= 3.18×5.45=0.76×2.18≈（得数保留两位小数）0.09×1.7≈（精确到十分位）21．列竖式计算0.36×0.15=（得数保留两位小数） 1.45×0.12=0.86×1.4=（得数保留一位小数） 6.5×0.39=22．用竖式计算．8×0.12= 1.9×3.5= 2.3×1.29=（验算）0.401×0.3=0.45×0.96=0.17×0.71=（得数保留两位小数）23．直接写得数．70×0.01= 2.515×10= 1.1×0.4=10﹢0.3= 6.5×0.2=0.1×0.01=0.87﹣0.6= 1.7×3= 24．竖式计算．（得数保留一位小数）0.38×0.23 5.79×3.6 4.6×0.25．25．竖式计算．3.6×0.25= 9.8﹣1.64= 3.1×300=26．口算．0.7×0.5= 3.6×2=0.4×1.7= 4.5×6=0.36+9= 5.7+3= 6.6×2=0.1×3.1= 27．直接写出计算结果0.3×1.1= 5.79+2.31+4.21=0.25×4= 1.2÷0.4=1.5×0.6= 1.59÷0.3=0.5×101= 6.5﹣5=10﹣8.88﹣0.12=0.64÷1.6×1.5=28．直接写得数．0.6×0.7=0.8×5= 1.1×0.4=2.3×4×0=0.05×1.6=0.02×7=29．用竖式计算．0.32×0.8= 1.36×4.8= 17.3×0.06=30．用竖式计算．1.45×0.12= 3.08×0.28= 13.5×26.7= 3.15×0.35≈（保留一位小数）31．口算．9.37×0= 7.3×100= 289+72﹣89= 1﹣0.04= 4×8÷8×4=32．列竖式计算：30.5×0.76 0.54×0.19．33．直接写得数：2.5×33.06×2 0.25×44.2×105.3×100 2.5×62.2×4 1.6×4 1.25×834．竖式计算0.38×0.25= 0.12×15=8.5×0.39=（验算）0.87×1.5（保留二位小数）35．用竖式计算并验算．14.53+5.67 7.2﹣6.45 1.05×2.8 62.9÷1.7．36．口算：0.5×2=0.25×4=12.5×8=0.125×8=7÷0.7=1﹣0.125×8= 1.25×32=0.25×56= 37．口算0.2×0.4=8.2+1.8= 6.45×0.01= 2.5×0.4=0.8×50= 2.4×5=0.9﹣0.52=10.2×4.5=38．竖式计算，带*的要验算*4.23×0.02836×0.5631.5×24.50.8×0.56*0.63×1.05 1.8×3.6739．竖式计算35.4×0.8 7.63×1.2 0.08×1.14 3.17×2.8（得数保留两位小数）0.3×5.6（得数保留一位小数）54.3×0.7（得数保留整数）40．列竖式计算24.6÷12 4.32÷1.2 21÷0.15．41．直接写出得数0×7= 2.6+0.4=15×0.01=21.2﹣21=1.8a+0.2a=0.4×0.4=0.12×0.04=0.8×100=2.5×4×0=0.72×0.8=42．口算．0.12×100= 6.2×10=500÷1000=12万+3万=8a+a= 6.2÷10=3.74×100=23.6÷100= 3.25×10=43．竖式计算0.18×12 3.26×15 3.1×17 1.25×4 14×0.5 8.4×15 0.45×9 1.5×35 0.02×13 4.28×16 2.61×1844．直接写出得数．40×1.2=25×0.4=63=7.8+0.9=0.56+4.44=2.4×0.5= 1.25×80=3.6÷0.06=12÷0.4=82=45．列竖式计算2.034×18 4.06×3.8 （积保留两位小数）46．计算4×38.2= 8×0.352= 35.6×5= 6.7×3=47．口算9.5×0.2= 3.2×0.5=0.8×2.5= 4.4×0.4=35×0.4= 4.8×50= 4.8×0.25=8.8×5= 1.4×0.5=12.5×4= 48．竖式计算．☆0.43×27= 1.85×2.6=验算：0.37×2.4≈（得数保留一位小数）7.02×0.56≈（得数保留两位小数）49．直接写出得数．0.7×0.9= 2.6×0.5=0.14×0.3= 5.5×10=1.7×0.03= 1.8×0.04=0.12×6= 4.8×5= 50．竖式计算．5.6×1.8= 0.25×0.046≈（保留两位小数）3500×0.96=第二部分一．计算题（共50小题）1．列竖式计算：1.8×0.36=35.37+28.63=19.9﹣8.75=1.06×0.48=18.9+28.65=22.87﹣18.65=2．用竖式计算下面各题．2.4×1.5= 0.46×8.7=（保留一位小数） 2.24×1.8=（保留两位小数）3．直接写得数．0.102×100= 4.2+3=0.23×0.5=0.25×7×0.4=3.6÷0.6=42=0.1÷0.01=2×0.5+1=4．用竖式计算（计算结果小数部分超过两位的，保留两位小数）．6.02×0.35 8.74÷3.8 0.59÷1.4．5．列竖式计算：1.8×0.85= 7.6﹣2.19= 50﹣18.75=6．用竖式计算．4.8×0.25 9.3×1.3 9.8×0.5 2.1×2.15．7．用竖式计算．（得数保留两位小数）3.35×1.7≈ 5.63×3.9≈8．直接写出得数．0.12×0.4= 3.8÷100=56.56÷0.56 1.6+3.04= 19.28﹣0.8= 2.8÷0.7=0.53×1000=108÷2.5÷4= 9．列竖式计算3.48×1.05（计算并验算） 1.55÷3.8（得数保留两位小数）10．竖式计算0.64×18=25.8×102=40.7×0.25=13.45×2.6=（保留整数） 4.865×8≈（保留整数）10.23×42≈（保留一位小数）11．直接写得数．6.2×0.3= 2.5×0.8=0.06×5=0.16×25=5×2.1=0×48.76=12．按要求算一算．2.9×1.8 4.58×0.370.8×2.5（得数保留一位小数） 5.45×1.72（得数保留两位小数）13．用竖式计算．84×0.25=0.55×64=0.47×5.8=6.06×0.32=0.075×0.07= 3.7×9.77=14．列竖式计算．3.4×0.25 6.5×2.4 0.035×0.6 1.25×0.024．2.97×3.5= 6.05×0.83= 0.78×4.5= 3.36×3.67=16．用竖式计算．36×5.518×3.06 3.45×210.28×0.25150×0.120.87×1.50.4×0.076 1.5×0.062 6.5×0.0417．竖式计算4.57×1.8 0.125×0.8 3.75×0.249.37×8.5 2.07×3.6 3.35×1.6．0.94×5.3= 0.91×2.6= 4.06×0.75（保留两位小数）≈8.43×1.5= 0.25×3.2= 7.8×0.9（保留一位小数）≈19．我会口算．0.5×4.4=80÷1.6= 5.5÷0.11=0.06×5= 5×0.4×0.8=9.9+10.1= 1.25×0.8=0.08÷0.1= 4﹣0.15= 1.7×5+0.3×5=20．列竖式计算，带*号的要验算．25.78+3.12= 13.8×9= *8﹣2.67= *5.73+6.7=21．直接写出得数．0.125×100=60÷100=9÷10=0.32+4.68= 15.7+4.3=25×4=10﹣0.8=7×99+7= 14.6+0.34=30.5+2.5=24﹣7.54﹣2.46=26+19+74+81= 22．用竖式计算．4.68×1.2= 1.58×2.5=2.4×6.7≈3.5×0.5≈24．竖式计算7.6×0.82= 3.25×0.31= 7.5×0.59=（验算）25．口算．3π=5π=5×3.14=0.5×7= 92=62﹣32=4π﹣1.5π=34.6÷0.5=26．直接写出得数．0.8×25=0×4.23=0.57+0.43= 2.4×0.2=0.02×500= 2.8×10= 8.29×100= 2.5×0.4= 4.87﹣1.7= 27．列竖式计算．0.64×12.5= 2.8×0.17=28．列竖式计算4.8×17 1.88×25 2.4×0.37 0.89×5.3．2.375×105 5.16×4.3 0.45×0.206．30．列竖式计算．0.04×0.12 4.25×8.8 3.84×0.25．31．竖式计算．3.6×0.25= 9.8﹣1.64= 3.1×300=32．用竖式计算2.75×3.1= 3.18×5.45=0.76×2.18≈（得数保留两位小数）0.09×1.7≈（精确到十分位）33．列竖式计算0.36×0.15=（得数保留两位小数） 1.45×0.12=0.86×1.4=（得数保留一位小数） 6.5×0.39=34．用竖式计算．8×0.12= 1.9×3.5= 2.3×1.29=（验算）0.401×0.3=0.45×0.96=0.17×0.71=（得数保留两位小数）35．直接写出得数．0.7×0.9= 0.14×0.3= 5.5×10= 2.6×0.5=36．列竖式计算：30.5×0.76 0.54×0.19．37．竖式计算．1.35×270 6.4×8.05．38．直接写得数．70×0.01= 2.515×10= 1.1×0.4=10﹢0.3=6.5×0.2=0.1×0.01=0.87﹣0.6= 1.7×3= 39．列竖式计算24.6÷12 4.32÷1.2 21÷0.15．40．直接写出得数．0×7= 2.6+0.4=15×0.01=21.2﹣21=1.8a+0.2a=0.4×0.4=0.12×0.04=0.8×100=2.5×4×0=0.72×0.8=41．竖式计算．（得数保留一位小数）0.38×0.23 5.79×3.6 4.6×0.25．42．用竖式计算．0.32×0.8= 1.36×4.8= 17.3×0.06=43．竖式计算（*验算）8.4×0.15= 16.51﹣6.3= 900﹣4.58= *56.7+0.33=0.7×0.5= 3.6×2=0.4×1.7= 4.5×6=0.36+9= 5.7+3= 6.6×2=0.1×3.1= 45．用竖式计算．1.45×0.12= 3.08×0.28= 13.5×26.7=3.15×0.35≈（得数保留一位小数）46．竖式计算0.38×0.25= 0.12×15=8.5×0.39=（验算）0.87×1.5 （得数保留二位小数）47．直接写出计算结果0.3×1.1= 5.79+2.31+4.21=0.25×4= 1.2÷0.4=1.5×0.6= 1.59÷0.3=0.5×101= 6.5﹣5= 10﹣8.88﹣0.12=0.64÷1.6×1.5=0.38×0.25 150×0.12 0.87×1.91.28×2.3 2.07×0.24 0.17×1.0549．用竖式计算．8×0.12=（验算） 1.9×3.5=（验算）0.401×0.3= 0.45×0.96= 0.17×0.71=50．直接写出得数．0.13×0.2=1﹣0.9=0.32÷2=0.8×5=0.9×0.1= 3.11+2.22=0.52=8m﹣6m=1.62﹣0.62= 5.9+4.4=0.053×100=12.5+12.5×7=第一部分参考答案与试题解析一．计算题（共50小题）1．【解答】解：0.4×0.02=0.0081.8×0.4=0.726×0.25=1.5 1.25×0.8=13﹣0.98=2.020.9÷0.01=903.9×0.01=0.03999×0.25=24.752．【解答】解：（1）2.4×1.5=3.6（2）0.46×8.7≈4.0（3）2.24×1.8≈4.033．【解答】解：3.35×1.7≈5.70 5.63×3.9≈21.964．【解答】解：2.97×3.5=10.395 6.05×0.83=5.02150.78×4.5=3.51 3.36×3.67=12.33125．【解答】解：6.2×0.3=1.862.5×0.8=20.06×5=0.30.16×25=45×2.1=10.50×48.76=06．【解答】解：6.02×0.35≈2.118.74÷3.8=2.30.59÷1.4≈0.427．【解答】解：2.9×1.8=5.22 4.58×0.37=1.69460.8×2.5=2.0 5.45×1.72≈9.378．【解答】解：1.8×0.85=1.537.6﹣2.19=5.4150﹣18.75=31.259．【解答】解：4.68×1.2=5.616 1.58×2.5=3.9510．【解答】解：1.35×270=368.5 6.4×8.05=51.52 11．【解答】解：（1）36×5.5=198；（2）18×3.06=55.08；（3）3.45×21=72.45；（4）0.28×0.25=0.07；（5）150×0.12=18；（6）0.87×1.5=1.305；（7）0.4×0.076=0.0304；（8）1.5×0.062=0.093；（9）6.5×0.04=0.26．12．【解答】解：（1）0.94×5.3=4.982；（2）0.91×2.6=2.366；（3）4.06×0.75≈3.05；（4）8.43×1.5=12.645；（5）0.25×3.2=0.8；（6）7.8×0.9≈7.0．13．【解答】解：0.25×4=1 1.25×8=108.2×6.9×0=00.2×18=3.66.29×100=6290.02×500=103.4×2=6.80.26×0.5=0.1314．【解答】解：0.5×4.4=2.280÷1.6=50 5.5÷0.11=500.06×5=0.35×0.4×0.8=1.69.9+10.1=20 1.25×0.8=10.08÷0.1=0.84﹣0.15=3.85 1.7×5+0.3×5=1015．【解答】解：3π=9.425π=15.75×3.14=15.70.5×7=3.592=8162﹣32=274π﹣1.5π=7.8534.6÷0.5=69.216．【解答】解：2.4×6.7≈16.1 3.5×0.5≈1.817．【解答】解：0.8×25=20×4.23=00.57+0.43=12.4×0.2=0.480.02×500=102.8×10=288.29×100=8292.5×0.4=1 4.87﹣1.7=3.1718．【解答】解：（1）0.64×12.5=8（2）2.8×0.17=0.47619．【解答】解：0.7×0.9=0.630.14×0.3=0.0425.5×10=552.6×0.5=1.3．20．【解答】解：（1）2.75×3.1=8.525（2）3.18×5.45=17.331（3）0.76×2.18≈1.66（得数保留两位小数）（4）0.09×1.7≈0.2（精确到十分位）21．【解答】解：0.36×0.15≈0.05 1.45×0.12=0.1740.86×1.4≈0.1 6.5×0.39=2.53522．【解答】解：8×0.12=0.96 1.9× 3.5=6.65 2.3×1.29=2.9670.401×0.3=0.12030.45×0.96=0.4320.17×0.71≈0.1223．【解答】解：70×0.01=0.72.515×10=25.151.1×0.4=0.4410﹢0.3=10.36.5×0.2=1.30.1×0.01=0.0010.87﹣0.6=0.271.7×3=5.124．【解答】解：0.38×0.23≈0.1 5.79×3.6≈20.8 4.6×0.25≈1.225．【解答】解：3.6×0.25=0.99.8﹣1.64=8.16 3.1×300=93026．【解答】解：0.7×0.5=0.353.6×2=7.20.4×1.7=0.684.5×6=270.36+9=9.36 5.7+3=8.7 6.6×2=13.20.1×3.1=0.3127．【解答】解：0.3×1.1=0.33 5.79+2.31+4.21=12.310.25×4=1 1.2÷0.4=31.5×0.6=0.9 1.59÷0.3=5.30.5×101=50.56.5﹣5=1.510﹣8.88﹣0.12=10.64÷1.6×1.5=0.628．【解答】解：0.6×0.7=0.420.8×5=4 1.1×0.4=0.442.3×4×0=00.05×1.6=0.080.02×7=0.1429．【解答】解：0.32×0.8=0.256 1.36×4.8=6.52817.3×0.06=1.03830．【解答】解：1.45×0.12=0.174 3.08×0.28=0.862413.5×26.7=360.45 3.15×0.35≈1.131．【解答】解：9.37×0=07.3×100=730289+72﹣89=2721﹣0.04=0.964×8÷8×4=1632．【解答】解：30.5×0.76=23.180.54×0.19=0.102633．【解答】解：2.5×3=7.53.06×2=6.12 0.25×4=14.2×10=425.3×100=5302.5×6=152.2×4=8.8 1.6×4=6.4 1.25×8=1034．【解答】解：0.38×0.25=0.0950.12×15=1.88.5×0.39=3.3150.87×1.5≈1.3135．【解答】解：①14.53+5.67=20.2②7.2﹣6.45=0.75③1.05×2.8=2.94验算：④62.9÷1.7=37验算：36．【解答】解：0.5×2=10.25×4=112.5×8=1000.125×8=17÷0.7=101﹣0.125×8=01.25×32=800.25×56=1437．【解答】解：0.2×0.4=0.088.2+1.8=106.45×0.01=0.06452.5×0.4=10.8×50=40 2.4×5=120.9﹣0.52=0.2810.2×4.5=45.938．【解答】解：*4.23×0.028=0.1184436×0.56=20.1631.5×24.5=771.750.8×0.56=0.448*0.63×1.05=0.6615 1.8×3.67=6.606 39．【解答】解：35.4×0.8=28.327.63×1.2=9.1560.08×1.14=0.0912 3.17×2.8≈8.88；0.3×5.6≈1.754.3×0.7≈440．【解答】解：24.6÷12=2.05 4.32÷1.2=3.621÷0.15=140 41．【解答】解：0×7=0 2.6+0.4=315×0.01=0.1521.2﹣21=0.21.8a+0.2a=2a0.4×0.4=0.160.12×0.04=0.00480.8×100=802.5×4×0=00.72×0.8=0.57642．【解答】解：0.12×100=12 6.2×10=62500÷1000=0.512万+3万=15万8a+a=9a 6.2÷10=0.623.74×100=37423.6÷100=0.2363.25×10=32.543．【解答】解：（1）0.18×12=2.16（2）3.26×15=48.9 （3）3.1×17=52.7（4）1.25×4=5（5）14×0.5=7（6）8.4×15=126（7）0.45×9=4.05 （8）1.5×35=52.5（9）0.02×13=0.26（10）4.28×16=68.48（11）2.61×18=46.9844．【解答】解：40×1.2=4825×0.4=1063=2167.8+0.9=8.70.56+4.44=52.4×0.5=1.21.25×80=1003.6÷0.06=6012÷0.4=3082=6445．【解答】解：①2.034×18=36.612②4.06×3.8≈15.43 46．【解答】解：4×38.2=152.88×0.352=2.81635.6×5=178 6.7×3=20.147．【解答】解：9.5×0.2=1.93.2×0.5=1.60.8×2.5=24.4×0.4=1.7635×0.4=144.8×50=2404.8×0.25=1.28.8×5=441.4×0.5=0.712.5×4=5048．【解答】解：0.43×27=11.61； 1.85×2.6=4.81；0.37×2.4≈0.9（得数保留一位小数）；7.02×0.56≈3.93（得数保留两位小数）；49．【解答】解：0.7×0.9=0.63 2.6×0.5=1.30.14×0.3=0.0425.5×10=551.7×0.03=0.0511.8×0.04=0.0720.12×6=0.72 4.8×5=2450．【解答】解：5.6×1.8=10.08 0.25×0.046≈0.013500×0.96=3360第二部分参考答案与试题解析一．计算题（共50小题）1．【解答】解： 1.8×0.36=0.64835.37+28.63=6419.9﹣8.75=11.15 1.06×0.48=0.508818.9+28.65=47.5522.87﹣18.65=4.222．【解答】解：（1）2.4×1.5=3.6（2）0.46×8.7≈4.0（3）2.24×1.8≈4.033．【解答】解：0.102×100=1024.2+3=7.20.23×0.5=0.1150.25×7×0.4=0.73.6÷0.6=642=160.1÷0.01=102×0.5+1=24．【解答】解：6.02×0.35≈2.118.74÷3.8=2.30.59÷1.4≈0.425．【解答】解：1.8×0.85=1.537.6﹣2.19=5.4150﹣18.75=31.256．【解答】解：4.8×0.25=1.29.3×1.3=12.099.8×0.5=4.9 2.1×2.15=4.5157．【解答】解：3.35×1.7≈5.70 5.63×3.9≈21.968．【解答】解：0.12×0.4=0.048 3.8÷100=0.03856.56÷0.56=101 1.6+3.04=4.6419.28﹣0.8=18.482.8÷0.7=40.53×1000=530108÷2.5÷4=10.89．【解答】解：3.48×1.05=3.654验算： 1.55÷3.8≈0.4110．【解答】解：0.64×18=11.5225.8×102=2631.640.7×0.25=10.17513.45×2.6≈35 4.865×8≈3910.23×42≈429.711．【解答】解：6.2×0.3=1.862.5×0.8=20.06×5=0.30.16×25=45×2.1=10.50×48.76=012．【解答】解：2.9×1.8=5.22 4.58×0.37=1.69460.8×2.5=2.0 5.45×1.72≈9.3713．【解答】解：84×0.25=210.55×64=35.20.47×5.8=2.726 6.06×0.32=1.93920.075×0.07=0.005253.7×9.77=36.14914．【解答】解：①3.4×0.25=0.85②6.5×2.4=15.6③0.035×0.6=0.021④1.25×0.024=0.0315．【解答】解：2.97×3.5=10.395 6.05×0.83=5.02150.78×4.5=3.51 3.36×3.67=12.331216．【解答】解：（1）36×5.5=198；（2）18×3.06=55.08；（3）3.45×21=72.45；（4）0.28×0.25=0.07；（5）150×0.12=18；（6）0.87×1.5=1.305；（7）0.4×0.076=0.0304；（8）1.5×0.062=0.093；（9）6.5×0.04=0.26．17．【解答】解：（1）4.57×1.8=8.226；（2）0.125×0.8=0.1；（3）3.75×0.24=0.9；（4）9.37×8.5=79.645；（5）2.07×3.6=7.452；（6）3.35×1.6=5.36．18．【解答】解：（1）0.94×5.3=4.982；（2）0.91×2.6=2.366；（3）4.06×0.75≈3.05；（4）8.43×1.5=12.645；（5）0.25×3.2=0.8；（6）7.8×0.9≈7.0．19．【解答】解：0.5×4.4=2.280÷1.6=50 5.5÷0.11=500.06×5=0.35×0.4×0.8=1.69.9+10.1=20 1.25×0.8=10.08÷0.1=0.84﹣0.15=3.85 1.7×5+0.3×5=1020．【解答】解：25.78+3.12=28.913.8×9=124.2*8﹣2.67=5.33验算：*5.73+6.7=12.43验算：21．【解答】解：0.125×100=12.560÷100=0.69÷10=0.90.32+4.68=515.7+4.3=2025×4=10010﹣0.8=9.27×99+7=70014.6+0.34=14.9430.5+2.5=3324﹣7.54﹣2.46=1426+19+74+81=20022．【解答】解：4.68×1.2=5.616 1.58×2.5=3.9523．【解答】解：2.4×6.7≈16.1 3.5×0.5≈1.824．【解答】解：（1）7.6×0.82=6.232；（2）3.25×0.31=1.0075；（3）7.5×0.59=4.425．25．【解答】解：3π=9.425π=15.75×3.14=15.70.5×7=3.592=8162﹣32=274π﹣1.5π=7.8534.6÷0.5=69.226．【解答】解：0.8×25=20×4.23=00.57+0.43=12.4×0.2=0.480.02×500=102.8×10=288.29×100=8292.5×0.4=1 4.87﹣1.7=3.1727．【解答】解：（1）0.64×12.5=8（2）2.8×0.17=0.476 28．【解答】解：4.8×17=81.6 1.88×25=47 2.4×0.37=0.8880.89×5.3=4.71729．【解答】解：2.375×105≈249.38 5.16×4.3≈22.190.45×0.206≈0.0930．【解答】解：0.04×0.12=0.0048 4.25×8.8=37.4 3.84×0.25=0.95231．【解答】解：3.6×0.25=0.99.8﹣1.64=8.16 3.1×300=93032．【解答】解：（1）2.75×3.1=8.525（2）3.18×5.45=17.331（3）0.76×2.18≈1.66（得数保留两位小数）（4）0.09×1.7≈0.2（精确到十分位）33．【解答】解：0.36×0.15≈0.05 1.45×0.12=0.1740.86×1.4≈0.1 6.5×0.39=2.53534．【解答】解：8×0.12=0.96 1.9× 3.5=6.65 2.3×1.29=2.9670.401×0.3=0.12030.45×0.96=0.4320.17×0.71≈0.1235．【解答】解：0.7×0.9=0.630.14×0.3=0.0425.5×10=552.6×0.5=1.3．36．【解答】解：30.5×0.76=23.180.54×0.19=0.102637．【解答】解：1.35×270=368.5 6.4×8.05=51.5238．【解答】解：70×0.01=0.72.515×10=25.151.1×0.4=0.4410﹢0.3=10.36.5×0.2=1.30.1×0.01=0.0010.87﹣0.6=0.271.7×3=5.139．【解答】解：24.6÷12=2.05 4.32÷1.2=3.621÷0.15=14040．【解答】解：0×7=0 2.6+0.4=315×0.01=0.1521.2﹣21=0.21.8a+0.2a=2a0.4×0.4=0.160.12×0.04=0.00480.8×100=802.5×4×0=00.72×0.8=0.57641．【解答】解：0.38×0.23≈0.1 5.79×3.6≈20.8 4.6×0.25≈1.242．【解答】解：0.32×0.8=0.256 1.36×4.8=6.52817.3×0.06=1.03843．【解答】解：8.4×0.15=1.2616.51﹣ 6.3=10.21900﹣4.58=895.42*56.7+0.33=57.0344．【解答】解：0.7×0.5=0.353.6×2=7.20.4×1.7=0.684.5×6=270.36+9=9.36 5.7+3=8.7 6.6×2=13.20.1×3.1=0.3145．【解答】解：1.45×0.12=0.174 3.08×0.28=0.862413.5×26.7=360.45 3.15×0.35≈1.146．【解答】解：0.38×0.25=0.0950.12×15=1.88.5×0.39=3.3150.87×1.5≈1.3147．【解答】解：0.3×1.1=0.33 5.79+2.31+4.21=12.310.25×4=1 1.2÷0.4=31.5×0.6=0.9 1.59÷0.3=5.30.5×101=50.56.5﹣5=1.510﹣8.88﹣0.12=10.64÷1.6×1.5=0.648．【解答】解：0.38×0.25=0.095150×0.12=180.87× 1.9=1.653 1.28× 2.3=2.944 2.07×0.24=0.49680.17×1.05=0.178549．【解答】解：①8×0.12=0.96 ② 1.9×3.5=6.65③0.401×0.3=0.1203④0.45×0.96=0.432⑤0.17×0.71=0.120750．【解答】解：0.13×0.2=0.0261﹣0.9=0.10.32÷2=0.160.8×5=40.9×0.1=0.09 3.11+2.22=5.330.52=0.258m﹣6m=2m1.62﹣0.62=1 5.9+4.4=10.30.053×100=5.312.5+12.5×7=100。
小数乘法口算500道+竖式300道（含答案）
小数乘法口算500道+竖式300道（含答案）小数乘法口算500道+竖式300道第一部分口算500道一．计算题（共50小题）1.直接写得数．0.5×1.4=80×0.125= 2.5×0.4=0.036×100=0.24×5=0.12×0.5=35÷1000= 2.2×0.5=0.12×5=0.04×0.1= 3.5+0.15=8﹣6.9=2．口算．0.4×5 1.2×44×1.51×0.50.01×0.1 1.25×0.40.36×0.20.8×03．直接写出得数．0.12×6= 1.25×0.4=30×0.8=12.5×0.8= 3.73﹣0.8﹣1.73= 3.26×0= 3.25+0.74= 5.2﹣2.64=0.24×5=4×0.05×2=3.9+7.1= 6.2×0.5=0.25×0.4=0.036×100= 3.64+6.36+5.5= 4．直接写出得数．0.4×0.02= 1.8×0.4=6×0.25= 1.25×0.8=3﹣0.98=0.9÷0.01= 3.9×0.01=99×0.25= 5．直接写得数：0.5×3=0.45+0.4=4×0.25=10.2+11.3= 0.09×100=8.7﹣0.5=0.96﹣0.7=12.9﹣2.9= 3.69×0=38.7÷10=6．直接写得数：0.2×3=0.45+0.4=4×0.25=18.7+11.3=0.09×100=8.7﹣0.5=0.96﹣0.7=18﹣1.67=1×8.79= 3.69×0=38.7÷10=2÷100=7．直接写出得数．0.28×10=0.9×5=8×0.06=0.05×1.6= 100×0.7= 2.5×8=1.06×7=12.5×0= 1.7+3.3×0.2=0.2×0.2×0.2=8．直接写得数：0.2×36=0.45×2=4×0.25= 3.8÷100=0.09×1000=1﹣0.9=0.96﹣0.7= 2.5×7.4×4= 9．口算0.2×0.4=8.2+1.8= 6.45×0.01= 2.5×0.4=0.8×50= 2.4×5=0.9﹣0.52=10.2×4.5= 10．直接写出得数．0.7×0.9=0.14×0.3= 1.7×0.03=0.12×6=5.5×10= 2.6×0.5= 1.8×0.04= 2.6×2﹣0.5= 11．直接写出得数．5×1.8=0.8×1.5=0.65+0.35=9.8+1.2=0.25×4=1﹣0.63=10.75﹣0.5= 1.25×80=1.7×0.9= 4.6×0.5= 1.42×100=19.8﹣8= 12．直接写出得数．0.25×4= 1.25×8=8.2×6.9×0=0.2×18=6.29×100=0.02×500= 3.4×2=0.26×0.5= 13．直接写得数0.2×4=0.8×25=0.57+0.43= 2.8×10=18.4÷100= 2.5×0.4= 4.7﹣1.78=0.125×8=1.8×0.5=0.035×1000=14．口算0.4×20= 1.3×3=0.25×50=0.9×300 2.4×50=0.125×200=600×0.4=800×0.25=1500×0.2=15．列竖式计算．2.3×0.8= 6.9×3.1=9.87×1.8=24.5×6.820.6×4.5=10.2×5.01=16．直接写得数．3.14×7=52=6π=62﹣20=402﹣302=b×b= 3.14×302= 3.14×42= 1.25×32=b+b=17．直接写得数．0.16×5= 4.2×0.3=25×0.4=2×0.45=0.5×0.07=0.3×0.7×10=18．口算题．0.1×208= 2.8×2=3×0.18=0.2×600= 1.3×5=8×0.05=1.3×50= 80×0.05=7.26×1=0.4×22=0.15×40=0.7×1.4=1.25×10=4.5×0.02=0.03×8=0×1.001=0.8×12.5=0.4×0.7= 1.3×4= 1.35×10=1.4×0.4=1.4×5= 1.45×100=3.5×40=0.02×38=25×0.4=1.6×1.5=0.01×10= 250×0.04=1.5×0.02=0.05×12=200×0.05=2.5×0.4=0.05×430=20×0.5= 250×0.4=7.682×0=2×0.005= 2.05×2=19．直接写出得数．1.5×0.2= 1.25×0.8= 4.5×0.4=2.5×7×0.4=0.3×0.3=0.35+0.75=0.48+1.62=10.1×78=20．直接写出得数．0.2×8= 6.2+0.04= 2.5×0.4=0.6×0.7=18.5+71.5= 6.4+4.6=0.04×0.3= 2.1﹣2.01= 1.41×1000=21．直接写出得数45+426=58.7﹣38.5= 2.25×8= 2.7×0.8= 6.4×0.8=320×0.03=11.004×50= 4.8×9.8= 22．口算．2.4×0.3=0.25×4=0.06×0.8=8.5×0.2= 1.25×0.8=7.5×0.5=6×4.4=0.13×0.05=19×0.7=23．口算：0.9×0.3= 3.5×0.2= 2.1×0= 6.6×10=0.3×7= 0.27×3=3×9.6=0.8×1.5=7.2×0.6= 2.5×0.4= 24．口算0.37×10=0.37×100=0.37×1000= 2.5×4= 0.25×4= 4.8×2=0.12×0.3=2×5.8= 0.28×3=0.16×4= 3.5×2=5×1.2= 5×1.5=3×0.25= 3.5×0.2= 3.5×5= 5×0.25=0.3×0.2= 3.5×0.5=3×1.5= 25．直接写得数．0.5×6=0.125×8= 2.5×0.4= 3.1×0.3=4×0.25= 1.25×6=0.2×0.05=0.8×0.05= 1.7×0.3=1.25×200=40×0.05=0.04×2=26．口算．0.2×50= 2.4×0.5=0.25×4= 3.2×0.3=12.5×80=0.17×10= 4.5+3.85= 2.5×0.7×0.4=3.5×8= 1.2×0.6= 5.2﹣2.8= 3.7+5.8=27．直接写得数．0.5×0.7= 2.1×0.4= 3.4×0.2=0.06×1.2=0.63×2=0.05×0.06=0.8×0.4=7.85×0.01= 0.15×0.4=1.3×30=0.25×0.6= 3.125×100= 28．直接写出得数．12.5×8= 2.5×0.4= 6.4+4.6=0.04×0.3=0.5×2.4=0.2×2.5= 5.18+3.02= 1.41×1000=29．口算：0.3×4= 2.3×0.2= 3.6+6.4=0.6×0.7=1.6×0.4=0.9×0.08=0.25×4=12.5×8= 0.7×0.9=0.04×0.2=0.8×0.05=3.1×0.3= 0.16×0.5= 1.7×0.03= 1.8×0.04=0.12×6= 30．直接写得数0.8×25=0×4.23=0.57+0.43=0.02×500=12.5×8=50×0.04=80×0.3= 1.1×9=31．直接写得数．0.7×10 3.02×100 3.6×2 4×1.52.5×4 12.5×0.8 4.5+2.6 7﹣1.66.4﹣2.3 10+6.01 8.3﹣1.37.3+2.7 32．口算9.5×0.2= 3.2×0.5=0.8×2.5= 4.4×0.4=35×0.4=33．口算．0.8×7=0.9×0.3= 1.32×8=10.3×2=3.5×0.2=10×0.05=0.13×7=0.05×4=30×0.1=12.5×8= 3.25×0=0.4×50= 34．直接写出得数：2.5×4= 2.4×0.5=8×0.125=0.27×3=7﹣6.38=0.22×0.5=35．直接写出得数．（后两题得数保留一位小数）0.7×0.9=0.14×0.3= 1.7×0.03= 1.8×0.04≈0.12×6= 5.5×10= 2.6×0.5= 2.6×0.08≈36．直接写出得数0.45×0.2= 4.38+3.5=0.9×7=（3.85+5.45）×0=0.75×1= 2.5×4= 5.4×20=7.5×0.4=37．口算．2.3×2=10×0.2= 1.45×10= 4.3×10═ 2.4×5=4.5×0.9= 2.5×8= 3.9×3=5×0.01=5.98×1000= 38．直接写得数：2.5×33.06×20.25×44.2×105.3×100 2.5×62.2×4 1.6×4 1.25×839．口算．1.5×8=2.4×5= 1.25×8=3.58×2=0.5×0.9=40．直接写得数0.7×0.9=0.12×50=60×0.5= 1.8×0.04=1.25×8=24×0.05=0.15×0.4=0.9×1.5=3.4×0.7=0.78×0.2=30×0.5=0.8×0.9=41．口算．0.5×0.2=50×0.2=500×0.2= 2.4×4= 2.5×0.4= 0.25×40=0.125×8=12.5×8= 1.25×80=0.24×5= 42．口算：0.5×2=0.25×4=12.5×8=0.125×8=7÷0.7=1﹣0.125×8= 1.25×32=0.25×56=43．直接写出得数．0.4×0.3= 2.5×0.6=8.8×0.1= 1.3×0.2=5.28+1.6=10﹣1.7﹣2.3=6.09×0=100×0.7=44．直接写出得数0.5×0.2=0.25×0.4= 1.25×8=0×1000+3=0.5÷100=0.12×40=100×0.78=12.78+0.22=0.6+0+0.7=0.72+1000=45．直接写得数．0.5×0.2=4×0.15=50×0.4=8×0.125=0.23×10=0.12×7=46．直接写出得数．0.7×0.9= 2.6×0.5=0.14×0.3= 5.5×10=1.7×0.03= 1.8×0.04=0.12×6= 4.8×5= 47．口算0.2×0.4=8.2+1.8=100﹣35.22= 2.5×0.4=0.8×50=8×0.24= 3.9×1.3= 2.4×5=0.9﹣0.52=0×3.52=12.5×8= 2.4×0.01= 48．直接写得数0.8×0.6= 5.5×3=0.5×0.6=0.125×0.8=9.6×0.1= 0.07×0.9=12.4×0.2= 2.4×5=14×0.01= 1.5×2= 49．口算．0.37×100=0.25×4=0.3×0.2=70×0.12=18×0.3=0.5×0.6= 3.7×0.2=5×1.2=第二部分竖式300道一．计算题（共50小题）1．列竖式计算．75﹣8.49= 3.72×1.25= 5.04×26=5.94+12.7=0.95×6.7=35.62﹣13.4=2．竖式计算0.64×18=25.8×102=40.7×0.25=13.45×2.6=（保留整数）4.865×8≈（保留整数）10.23×42≈（保留一位小数）3．竖式计算（前面有*要验算）．2.18×3.6*4.23×0.8620.07×1.0250.6×0.90.57×0.86*0.8×0.314．用竖式计算．8×0.12=（验算）1.9×3.5=（验算）0.401×0.3= 0.45×0.96=0.17×0.71=5．竖式计算4.57×1.8 0.125×0.8 3.75×0.249.37×8.52.07×3.6 3.35×1.6．6．列竖式计算：1.8×0.36=35.37+28.63=19.9﹣8.75=1.06×0.48=18.9+28.65=22.87﹣18.65=7．竖式计算7.6×0.82= 3.25×0.31=7.5×0.59=（验算）8．列竖式计算，带*号的要验算．25.78+3.12=13.8×9=*8﹣2.67=*5.73+6.7= 9．列竖式计算4.8×17 1.88×25 2.4×0.370.89×5.3．。