题目内容

【题目】直接写出得数.

5.03+15.7= 10﹣9.03= 1.07×0.06= 11.2×0.4= 2.15×3=

3÷4= 5.2÷0.4= 1.2÷0.8= 2.5×6.2×0.4= 17.1×2.4+17.1×7.6=

【答案】20.73,0.97,0.0642,4.48,6.45,0.75,13,1.5,9.2,171

【解析】

试题分析:根据小数四则运算的计算方法进行计算,能用简便算法的用简便算法.据此解答.

解:5.03+15.7=20.73 10﹣9.03=0.97 1.07×0.06=0.0642 11.2×0.4=4.48 2.15×3=6.45

3÷4=0.75 5.2÷0.4=13 1.2÷0.8=1.5 2.5×6.2×0.4=6.2 17.1×2.4+17.1×7.6=171

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