2018年人教版小升初数学总复习 计算题解方程和解比例专项
1-0.4x=0.48 x:18=2:3
13x ÷5 = 13
X =18 + 60% X
3
5 X + 2.5×8=95 3435 ÷x = 67 0.3(2x+1)+3=5.7 40%X+30=80
4x+
1x= 9
532:= :x 2
2.5 :5 =
12 :X
1.66= X2.4 X: 5 =18130:2
0.75:X = 114:2 855112-2X = 4 0.375:X=120:60℅ 1.40.4x =15
3.6:X = 0.48:
325
1.25:0.2= X:1 3.5:0.7= X:2 375
0.6:4.8=12:X
45:X=18:26 x:120 =34:15 0.8X=75
8 23: 14=1.2: X 9:0.09= X:0.15 (3.8- x):7 =2:7 x : 557=0.3 :14
5(X+3)= 20 1.4X-1.6×5 = 1.8
7X-3X = 2.042
9×3-1.7X =13.4
1+0.8x=7.2
12÷(0.5X-1)=6 3(X+2)=4(X+1) 68-1.2x=65 15-2x-6=8 32x-7x-5x=420
5.4x÷4=1.35 (10-7.5)×x=0.125×8
13.2x-18=13x+9 12﹕X = 18﹕14 16﹕X =49﹕23
X﹕5 =1÷3
X﹕3 = 0.6﹕0.15 18﹕(X-1)=2﹕7 0.251.25 = 1.6X x-25x=14