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0.25×6.4×1.25怎么脱式计算?

0.25×6.4×1.25 =0.25×8x0.8×1.25 =(0.25×8)x(0.8×1.25) =2x1 =2 希望帮到你 望采纳 谢谢 加油

1.25乘6.4乘1.3 =1.25*0.8*8*1.3 =10.4 满意采纳

1.25×6.4 =(1.25x8)x0.8 =10x0.8 =8 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

0.25x6.47x40 =0.25x40x6.47 =10x6.47 =64.7

(1)6.4×1.25×12.5,=8×0.8×1.25×12.5,=(8×1.25)×(0.8×12.5),=10×10,=100;(2)1.7×9.9+0.17,=1.7×9.9+1.7×0.1,=1.7×(9.9+0.1),=1.7×10,=17;(3)[(2+2.8)÷0.6-1.5]×0.04,=[4.8÷0.6-1.5]×0.04,=[8-1.5]×0.04,=6.5×0.04,=0...

12.5x8x0.8 =100x0,8 =80

1.02×6.4=6.528 回答完毕~~ 有疑问请追问,无疑问请点击【采纳】~ 祝学习进步~~~\(^o^)/~

(4.9+3.5)x6.4+14x0.36=58.8

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解: 3.5×6.8+0.68+6.8×6.4 =3.5×6.8+0.1×6.8+6.8×6.4 =6.8×(3.5+0.1+6.4) =6.8×10 =68

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