Question

TÍNH BẰNG CÁCH THUẬN TIỆN:

2/3 X 2/8 + 2/3 : 8 + 2/3 X 5/8

Answer 1

`2/3 xx 2/8 +2/3 : 8 +2/3 xx 5/8`

`=2/3 xx 2/8 +2/3 xx 1/8 +2/3 xx 5/8`

`=2/3 xx (2/8+1/8+5/8)`

`=2/3 xx 8/8`

`=2/3 xx 1`

`=2/3`

Answer 2

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