解方程
0.6×(x-0.6)=0.6 8x÷(1.8+3)=1.5 x+ x=75 x+ 50%x=35 4x+7.1=12.5-2x
x+x=1.4 x+0.8=1.7 x-1.4=1.6 4x-6.2=3.8 x+50% x=60 2 x÷=40 75%x-28% x=16.92 70% x+25.8=39.8 x+20% x=120 16 x-14.8=71.6 60% x-15% x=10.8
10% x+x=2.2 x ÷(1-24%)=4 x+4x=9.2 62% x=5.89 x+25% x= x-70% x=180
x-75% x=180 x÷60%=50 (1+20%)x=7.2 91÷x =1.3 42x+1.4×2=3.7 0.16×3-7x=0.13
5x+3x=12.8 10x=45 (x+5)×4÷2=50 (2x+3)÷0.5=15 8.4-7.9+x=9.2
7.9+x=9 4.5x+0.5x=2.6×4 (0.4x+3)×6=25.2 8=2x+1.2 x+1.2×5=24.4 2x+0.4x=48
4x=2x+6 3(x+2)=4(x+1) 8(x-1.5)=x+0.6 2.5x+x=10.5 4.8+5x =13.8 52-x =15
35x+13x=9.6 x+20% x =16 1.2x=158 0.5+4x=0.6 0.7(x+0.9)=4 2 x + 25 = 35 70% x + 20% x = 3.6
25% x + 10 = 1 x -15% x = 68 x+ 10 x=121 4x-3 ×9 =29 x-21% x =4 6 x+5=13.4
25 x -13 x =310 x÷15%= 4 x +6 x=33 36×5 -34 x =35
x- 75% x=12 5 x-2.4×5=10 20% x=4 (1-50%)x=16 3 x +300%x=60 15% x=8
x-35%x=7.8 x +160%x=39 50% x+15=35 x-24%x=7.6 x+50=985
58% x-23%x=2.1 (1+30%)x=3.9 60%x-15%x=27 x +20%x=48 x-60%x=1.6
60%x+25% x =10.2 x +21%x=72.6 x-29%x=319.5 90%x-18%x=108
x+130%x=460 50%x-30%x=34 0.5+2 x=9.8÷2 25+ x =6x
3200-x =5x+450 7.5×2x=15 91÷x=130% 18(x-2)=270
120% x =3-40%x 3x÷5=4.8 30÷x+25=85 130%×8-2 x=5 50%x-5=20%x+10
60% x-12.8×3=0.06 (x+)×3=21 6×3-x÷2=7 +x =54 0.273÷x=35% x-=13
x ÷=13 x÷5+7=23 (x-26)÷7=50% x-6=3.3×20% =
4+70%x=102 0.125x=8 x×(1+25%)=75 x÷(1-20%)=88
更多推荐
发布评论