脱式计算:一、用简便方法计算下面各题。⑴76×8/77 = = = =

Question

如题所述

Answer 1

=（77-1）×8/77
=77×8/77-8/77
=7又69/77

Answer 2

76×8/77
=(77-1)x8/77
=8-8/77
=7又69/77

Answer 3

结果是7又69/77。

Answer 4

，，

Answer 5

如图所示

追问

是76

长不长眼

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