脱式计算(能简算的要简算)。(1)13.01÷0.25÷0.4(2)37.65×3.4+37.65×6.6(3)1.2×0.4+1.3×0.4(4)10.8×0.8÷0.27-五年级数学

题目简介

脱式计算(能简算的要简算)。(1)13.01÷0.25÷0.4(2)37.65×3.4+37.65×6.6(3)1.2×0.4+1.3×0.4(4)10.8×0.8÷0.27-五年级数学

题目详情

脱式计算(能简算的要简算)。
(1)13.01÷0.25÷0.4(2)37.65×3.4+37.65×6.6
(3)1.2×0.4+1.3×0.4(4)10.8×0.8÷0.27
题型:计算题难度:中档来源:期末题

答案

(1)原式=13.01÷(0.25×0.4)
                =13.01÷0.1
                =130.1
(2)原式=37.65×(3.4+6.6)
                =37.65×10
                =376.5
(3)原式=(1.2+1.3)×0.4
               =2.5×0.4
               =1
(4)原式=10.8÷0.27×0.8
                = 40×0.8
                =32

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