x+3x/4=371
通分
7x/4=371
7x=1484
x=212
猜你喜欢
- 11.动滑轮重40N,工人至少要用多大的力才能把重500N的货物匀速拉起?
- 2在平面内约定物体的位置,用( )数据
- 3A:can you help me with my homework? B__else can.youhave to do it yourself.
- 4一项工程,由甲工程队修建要20天,由乙工程队修建要30天,两队合修需要_天.
- 5her wrong ------(decide) to leave here made us surprised
- 6已知A={2,5},B{X|X^2+PX+Q=0},A∪B=A,A∩B={5}求P.Q的值
- 7(1)20千克比( )千克少20%,( )米比5米长40%.
- 8一匹布有30米,如果用去5分之4米,还剩下多少米?
- 9joe had pizza,chips and a lot of ice cream for dinner.对pizza,chips and a lot of ice cream 进行提问
- 10养花 老舍 文中的“有意思”是指什么?