问题 计算题
脱式计算。(能简算的要简算)
(1)(0.2+6.37÷0.7)×0.5(2)4.7×4.7+4.3×4.7
(3)0.125×500×0.2×8(4)98.5-14.82÷7.6×3.1
答案

(1)原式=(0.2+9.1)×0.5

                =9.3×0.5

                =46.5(2)原式=4.7×(4.7+4.3+1)

                 =4.7×10

                 =47

(3)原式=0.125×100×8

                =12.5×8

                =100(4)原式=98.5-1.95×3.1

                =98.5-6.045

                =92.455

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