6.4/x=1.6 3.6/x=1.2 49-x=15
1个回答
6.4/x=1.6
x=6.4/1.6=4
3.6/x=1.2
x=3.6/1.2=3
49-x=15
x=49-15=34
相关问题
x+3.2=4.6 x-1.6=4 15-x=2 1.6x=6.4 15-x=2+ 2.1÷x=3的检验是什么
2(x-1)+3(4x-1)=9(x-1)+12 15(x-8)-4(2x+3)=6(6-x)-100 4(2x-1)-
解不等式[3x+1/4]<[15x−2/6]-[6x+4/3].
(4)1/6(3x-6)=2/5x-3 (5)3(x-7)+5(x-4)=15 (6)4x-3(20-x)=-4
1/5(x+15)=1/2-1/3(x-7) 6(X+15)=15-10(X-7) 6X+90=15-10X+70 6X
x:3=7/8:1/49:x=4.5/0.81/6:2/5=1/2:2x3/8:x=5%:0.6
-1/2x+2/5x-1/3x+1/6x=4/15
6.5:x=3.25:4 [x/2]=[0.15/0.6] [1.25/0.25]=[x/1.6].
-3x-6=-6 3x-5=6x+7 4(2x-1)=4-2(x-6)
2/5:x=4/5:60 0.2/6.3=X/5 0.6:x=15:1 12:14=X :1/6