Question

(8分之3加27分之1)乘8加27分之19 简算

Answer 1

(8分之3加27分之1)乘8加27分之19
=(3/8+1/27)x8+19/27
=3/8x8+1/27x8+19/27
=3+(8/27+19/27）
=3+1
=4