五年级小数加减乘除混合运算计算题练习题完整版本
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小数混合运算专项训练
1、解方程。
(1)5x =450 (2)12(6-x )=42
(3)1.2×6+4x=12 (4)8.5x -x =22.5
2、用简便方法计算。
(1)0.25 ×3.2×12.5 (2)36×10.1
(3)0.25×44 (4)22.2×4+17.8×4
3、用递等式计算。
(1)2.6+1.4×1.5-1.5 (2)(37-3.6÷4.8)÷12.5
(3)2.6+2.4×(1.4-1.05) (4)15.6÷16×(0.25+1.25)
30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1
777×9+1111×3 0.8×[15.5-(3.21+5.79)] (31.8+3.2×4) ÷ 5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2
36.25÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8 (4121+2389)÷7
671×15-974 469×12+1492
19.4×6.1×2.3
5.67×0.2-0.62 18.1×0.92+3.93
0.4×0.7×0.25
0.78+5.436+1 4. 8× 5÷4+1÷4
9. 9x5÷6+5÷6
10. 3÷4x8÷9-1÷3 14. 31x5÷6-5÷6
16. 5÷9x18-14x2÷7
20. 3x2÷9+1÷3
35. 95÷(64-45)
36. 178-145÷5×6+42
7.2÷0.8-1.2×5
6.5×(4.8-1.2×4)
28-(3.4+1.25×2.4)
2.55×7.1+2.45×7.1
777×9+1111×3
(31.8+3.2×4)÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194-64.8÷1.8×0.9
36.72÷4.25×9.9
5180-705×6
24÷2.4-2.5×0.8
(4121+2389)÷7
671×15-974
469×12+1492
405×(3213-3189) 19.4×6.1×2.3
5.67×0.2-0.62 18.1×0.92+3.93
0.043×24+0.875
0.4×0.7×0.25
0.78+5.436+1 4.07×0.86+9.12
240×78÷(154-115)
1437×27+27×563
〔75-(12+18)〕÷15
2160÷〔(83-79)×18〕
280+840÷24×5
325÷13×(266-250)
85×(95-1440÷24)
58870÷(105+20×2)
1437×27+27×563
81432÷(13×52+78) [37.85-(7.85+6.4)] ×30
(947-599)+76×64
36×(913-276÷23)
[192-(54+38)]×67
81432÷(13×52+78) (947-599)+76×64
60-(9.5+28.9)÷0.18
2.881÷0.43-0.24×
3.5
0.8×〔15.5-(3.21+5.79)〕(31.8 3.2×4)÷5194-64.8÷1.8×0.9
36.72÷4.25×9.9
3.416÷(0.016×35)
0.8×[(10-6.76)÷1.2]
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(58+37)÷(64-9×5)
812-700÷(9+31×11)
156×[(17.7-7.2)÷3]
(3.2×1.5+2.5)÷1.6
85+14×(14+208÷26)
120-36×4÷18+35
9.72×1.6-18.305÷7
3.2×(1.5+2.5)÷1.6
(58+37)÷(64-9×5)
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
(3.2×1.5+2.5)÷1.6
120-36×4÷18+35
15-10.75×0.4-5.7
347+45×2-4160÷52
(58+37)÷(64-9×5)[(7.1-5.6)×0.9-1.15] ÷2.5(3.2×1.5+2.5)÷1.6
5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6
3.2×6+(1.5+2.5)÷1.6
(3.2×1.5+2.5)÷1.6 120-144÷18+35 347+45×2-4160÷52 (58+37)÷(64-9×5) 95÷(64-45) 812-700÷(9+31×11) 120-36×4÷18+35 (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 0.8×〔15.5-(3.21+5.79)〕 (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492
405×(3213-3189) 0.8×[(10-6.76)÷1.2] 19.4×6.1×24 5.67×0.2-0.62 18.1×0.92+3.93 24+0.875×99 0.4×0.7×0.25 0.75×102 100-56.23 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) (6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 (23.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 297×999 1983×21+21×3017 (0.123+123) ×1009 34×24+3481 0.8×0.196+0.094 105+895×57 32.47×23+27 39.01×18.3-901 76.5+2-2×184 49+23×14 31×99
52×99+52 25×32×125 120-36×4÷18+35 (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 812-700÷(9+31×11) (136+64)×(65-345÷23) (284+16)×(512-8208÷18) 120-36×4÷18+35 (58+37)÷(64-9×5)