Question

数学简便计算、、

（8分之5加27分之1）乘以8加27分之19

说一下思路、

Answer 1

(5/8+1/27)*8+19/27
=5/8*8+1/27*8+19/27
=5+(8/27+19/27)
=5+1
=6

乘法展开就可以了

Answer 2

(5/8+1/27)*8+19/27
=5/8*8+1/27*8+19/27
=5+(8/27+19/27)
=5+1
=6