Question

（7分之4+9分之8）*25分之2如和简便运算

Answer 1

如题
=(2-1/4+1+1/8)*(12+1/2)
=(3-1/8)*(12+1/2)
=36+3/2-3/2-1/16
=36-1/16
=35+15/16
=36又15/1