2.6*9.98简便计算还有0.032*2.5*1.25
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2.6*9.98简便计算还有0.032*2.5*1.252.6*9.98简便计算还有0.032*2.5*1.252.6*9.98简便计算还有0.032*2.5*1.252.6×9.98=2.6×(10
2.6*9.98简便计算还有0.032*2.5*1.25
2.6*9.98简便计算
还有0.032*2.5*1.25
2.6*9.98简便计算还有0.032*2.5*1.25
2.6×9.98
=2.6×(10-0.02)
=2.6×10-2.6×0.02
=26-0.052
=25.948
0.032×2.5×1.25
=(0.4×2.5)×(0.08×1.25)
=1×0.1
=0.1
2.6*(10-0.02)
=26-0.052
=25.948
2.6×9.98
=2.6×(10-0.02)
=26-0.052
=25.948
0.032×2.5×1.25
=0.001×4×2.5×8×1.25
=0.001*10*10
=0.1
=2.6*(10-0.02)
=26-0.0052
=25.9948
是这样计算的,跟下面楼主想的一样啊
2.6×9.98
=2.6×(10-0.02)
=2.6×10-2.6×0.02
=26-0.052
=25.948
0.032×2.5×1.25
=(0.4×2.5)×(0.08×1.25)
=1×0.1
=0.1
2.6*9.98简便计算还有0.032*2.5*1.25
要简便计算还有过程
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