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x×(+)= 6x-10=88-x= x÷0.24=100
80÷x=20 12x+8x-12=28(2x-1)+10=37 1.6x+3.4x-x-5=27(3x+5)÷2=(5x-9)÷3 x-21×=4 x÷=÷
3x+7x+10=90 3(x-12)+23=357x-8=2x+27 5x-18=3–2x
x+4=10 x-12=34 8x=964x-30=0 8.3x-2x=63 x÷10=5.2
(x- 4.5)=7 x-25%x=10
3x=5(32-x) 0.36×5-x=
2(x-2)+2=x+1 3-x=2-5(x-1)
8-x= 3-x=
2x+3x=3.15 3.4x=8.6-1.8
2(200-15x)=70+25x 3(2x+1)=12
x-x=
解比例或方程.8.2:x=1.8:3.6 :=6:x = x+=24
求未知数x。(1)X+X=(2):X=:
求未知数x。(1)18%:=(2)
求未知数x。(1)5(x﹣3)=4.5 (2)x:3.6=:
试题篮