简便运算练习(1) 4.02+
5.4+0.98 5.17-1.8-3.2 13.75-(3.75+ 6.48) 3.68+
7.56-2.68 7.85+2.34-0.85+4.66 7.14-0.53-2.47 3.82+2.9+0.18+9.1 9.6+4.8-3.6 35.6-1.8-15.6-7.2 5.27+2.86-0.66+1.63 13.35-4.68+2.65 47.8-7.45+
8.8 0.398+0.36+3.64 42.5-(6.07+1.13) 73.8-1.64-13.8-5.36 66.86-8.66-1.34 0.25×16.2×4 5.48-(
9.4-0.52) 3.72×3.5+6.28×3.5 36.8-3.9-6.1 2 4.8×7.8+78×0.52
简便运算练习(2)
4.8-4.8×0.5 (1.25-0.125)×8 56.5×9.9+56.5 7.09×10.8-0.8×7.09
18.76×9.9
+
18.76
1.25×2.5×32
320÷1.25÷8
3.52÷2.5÷0.4 3.9-4.1+6.1-
5.9 0.49÷1.4 4.2÷3.5 15.2÷0.25÷4
17.8÷(1.78×4) 4.2×99+4.2 9.7×99+9.7 146.5-(23+46.5) 5.83×2+4.27 (45.9-32.7)÷8÷0.125
按要求用竖式计算(带*的要验算) 2.7+
3.13 78.92+115.8 3—2.08 *141.2-48.98 16.32÷51 25÷0.38 (精确到百分位) 4÷1.2 0.56÷1.4 30÷74
(保留两位小数) 96÷15 9÷36 40.4÷8 *4.7×0.23 13÷2.4 58.89÷13 *0.448÷0.28 4.4÷50 1.7÷11 (精确到十分位)
7.2×6.25 *40.5÷18 5.93×0.76
(保留三位小数)0.945÷0.035 32÷0.016 7.45÷3.8 *18-5.29 0.73+12 *8.9×0.36 7.4+12.86 2.6—0.26 3.5—2.65
15+5.3 5.82+2.58 1.66—1.04 15.38+6.2 35.26+8.5 4.74+0.5
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