2/3x-3/8x=49
7/24x=49
x=49÷7/24
x=168
猜你喜欢
- 1椅子紧挨着桌子 翻译.
- 2修一条高速公路,修了7天后超过中点180米,按这样的速度,再修6天就可以完成.这条公路全长多少米?
- 3Would you like ____coffee or tea? A.some B.不填
- 4One of their chief duties is to give their children a sense of personal worth,for sell-esteem is t
- 5高中排列组合基本公式
- 6For now on,my soul only belongs to you.
- 7已知2分之π小于β小于α小于4分之3,且cos(α-β)=13分之12,sin(α-β)=4分之3,求cos2α的值
- 8Welecome to my classroom.My desk is ( )the door用(on between beside above below und)
- 9等腰三角形一腰上的中线把它分成两个三角形，周长差为2cm，且等腰三角形的周长为18cm，则它的腰长为 _ ．
- 10求函数Y=-3x²+6x+2在下列区间内的最值