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3/1.25/0.4/0.25/8怎样简算

0.25x(8+0.4)x1.25 =0.25x8x1.25+0.4x1.25 =0.25x10

0.25×(8+0.4)×1.25 =0.25x8.4x1.25 =2.1x1.25 =2.625

1.25×0.25×(4 0.8)怎么写简便计算 少了个运算符号

1.25×(0.8+4)×0.25 =1.25x0.8x0.25+1.25x4x0.25 =1x

0.25×0.4+0.8×1.25

0.25×8×0.4×0.4×1.25 =(0.25×0.4)×(8×1.25) =0.1×10

0.41.2580.25 =(0.4x0.25)x(1.25x8) =0.1x10 =1

你好,很高兴为你解答 0.25×(4+8)×1.25简便算法 规律25x4=100 8x125=

0.25×1.25×0.4×8 =0.25x0.4x1.25x8 =0.1x10 =1 谢谢

(1.25×0.8)×(0.25×0.4) 1×0.1 0.1

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