题目内容

能简算的要简算
(1)4.25 ×8 +57.5 ×0.8= (2)0.51÷(1.2-1.03)+2.4=
(3)1.4÷ 3.5-(0.05 +0.27 ) = (4)1.25 × 32 × 0.25=
(1)原式=(42.5+57.5)×0.8
                =80
(2)原式=0.51÷0.17+2.4
               =5.4
(3)原式=0.4-0.32
                =0.08
(4)原式=1.25×4×8×0.25
                =10
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