Question

简便运算 17分之8×23分之1×16＋8×23分之1×17分之7

Answer 1

17分之8×23分之1×16＋8×23分之1×17分之7

=(8*16)/(17*23)+(8*7)/(23*17)

=(8*16+8*7)/(23*17)

=(8*23)/(23*17)

=8/17