1/3x+3/4÷1/8=15 x+(0.5-35%)=3/4×1/2

题目

1/3x+3/4÷1/8=15 x+(0.5-35%)=3/4×1/2

答案

1/3x+3/4÷1/8=15
1/3x+6=15
1/3x=9
x=9x3
x=27
x+(0.5-35%)=3/4×1/2
x+0.15=3/8
x=3/8-3/20
x=15/40-6/40
x=9/40