x+3/2=3/8怎样算?还有30米增加1/5米是( )米?不好意思,打错了应该是x+3/2x=3/8

问题描述:

x+3/2=3/8怎样算?
还有30米增加1/5米是( )米?
不好意思,打错了应该是x+3/2x=3/8

(3/8)6/16 -(3/2)24/16= - 18/16 = - 9/8

(3/8)6/16 -(3/2)24/16= - 18/16 = - 9/8
(151/5)

x+3/2=3/8
x=3/8-3/2
x=3/8-12/8
x=-9/8
还有30米增加1/5米是(30.2 )米?

X+3/2=3/8
X=3/8-3/2
X=3/8-12/8
X=-9/8
30.2M