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=:
23 13x ÷5 = 13 X =18 + 60% X 3
5 X + 2.5×8=95 4x+
12x= 9 2.5 :5 =
12 :X 1.66= X2.4 X: 5 =
1830:12 0.75:X = 114:2 1.25:0.2= X:135 0.6:4.8=12:X
34 35 ÷x = 67 0.3(2x+1)+3=5.7 40%X+30=80 58:35= 25:x
12-2X = 14 0.375:X=120:60℅ 1.40.4x =15 3.6:X = 0.48:
325 3.5:0.7= X:278
23: 14=1.2: X
45:X=18:26 9:0.09= X:0.15 x:
131 =: (3.8- x):7 =2:7 20450.8755= x : =0.3 : X55(X+3)= 20 7X-3X = 2.042 9×3-1.7X =13.4 1+0.8x=7.2 15-2x-6=8 5.4x÷4=1.35 13.2x-18=13x+9 12﹕X = 18﹕14
16﹕X =49﹕23 X﹕5 =1÷3 3175+14x=20 13X+5=12X
714 1.4X-1.6×5 = 1.8 12÷(0.5X-1)=6 3(X+2)=4(X+1) 68-1.2x=65 32x-7x-5x=420
(10-7.5)×x=0.125×8 X﹕3 = 0.6﹕0.15 18﹕(X-1)=2﹕7 0.251.61.25 = X x-25x=14 7-23=2x
35X +25= 5 x -518x=3×45
X÷=
12711 0.8÷X=5.4÷3 X-X=5 11233117X+=1 X÷= 0.8÷X=3÷4.2 42211
11313531X-X=5 X+=1 X-=× 233.5÷X=5÷4.2 (2+15 )X=2215 X-1X=233 X+79X=43 X÷1.98=0.4 0.15
12 X+23 X=14 7.2x-5.4x=25.2 x:23=60:5
424842 X-
920X =33 821=0.6÷X 9 X-5 X=323
8 1-9 X=5
8X+1=7 55395X-6=
12 12 X+25%=10 7.8×3X =3.6 (4.5-X)×0.375=0.75 X-0.52 X=3.2× 10:??485:0.8 0.6×(x-0.6)=0.6 9×3-1.7x=13.4 21??21967:67 7x+25=2.4 5x-20%x=19.2
人教版小升初数学总复习计算题解方程和解比例专项



