Question

解方程：(x-9)乘1/12＝8 简算：11/18乘6/11除以22/39

Answer 1

(x-9)乘1/12＝8

x-9=8*12

x=96+9

x=105

11/18乘6/11除以22/39

=6/18 x 39/22

=1/3x 39/22

=13/22