x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2
问题描述:
x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2
x-x÷5=244
x-13=96-x+13
12x=10(x+20)
3.6x÷2=7.2×2
x÷3-x÷4=5
这些题方程怎么解,
答
X-1/5X=244 =>4/5X=244=>X=244*5/4=3052X=96+13+13=>2X=122=>X=6112X=10X+200=>(12-10)X=200=>2X=200=>X=10010(3.6/2)X=14.4*10=>18X=144=>X=812(1/3-1/4)X=5*12=>(4-3)X=60=>X=60