x÷(1-24%)=150
x=150×0.76
x=114
19-12%X=7
0.12x=19-7
x=12÷0.12
x=100
2.15*40%+7.35*五分之二 =0.86+2.94=3.8
八分之五+八分之三÷12.5% = 0.625+3=3.625
85除以4+14*四分之一+25%=21.25+3.5+0.25=25
(八分之五+75%)*24=(0.625+0.75)*24=1.375*24=33
x÷(1-24%)=150
x=150×0.76
x=114
19-12%X=7
0.12x=19-7
x=12÷0.12
x=100
2.15*40%+7.35*五分之二 =0.86+2.94=3.8
八分之五+八分之三÷12.5% = 0.625+3=3.625
85除以4+14*四分之一+25%=21.25+3.5+0.25=25
(八分之五+75%)*24=(0.625+0.75)*24=1.375*24=33