red
(35÷x)×0.6=3 解:35÷X=3÷0.6 35÷X=5 X=35÷5 X=7
X÷6×0.5=0.3 0.5X=0.3×6 0.5X=1.8 X=1.8÷0.5 X=3.
解:x=0.3×6.8x=2.28
不详
x÷6=0.3÷0.5 x÷6=0.6 x=0.6×6 x=3.6
(1) 3 4 x-5= 3 2 3
原方程化为: 1+1/(X+1)+1+1/(X+4)-1-1/(X+2)-1-1/(X+3)=0
(35÷x)×0,6=3 35÷x=3÷0,6 5x=35 x=7
1 十五之七*0.375+十五分之八*37.5% 原式=7/15 *0.375+8/15