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 0.33
5
X + 2.5×8=95 40%X+30=80 4x+
12x= 9 2.5 :5 =
12 :X 1.66= X2.4 0.375:X= X: 5 =
18130:2 0.75:X = 114:2 3.6:X = 0.48:
1.25:0.2= X:135 3.5:0.7= X:0.6:4.8=12:X 45:X=18:26 9:0.09= X:0.15
3435 ÷x = 67 (2x+1)+3=5.7 58:35= 25:x
112-2X = 4 120:60℅ 1.40.4x =15 325 278 2: 134=1.2: X x:
131 =: (3.8- x):7 =2:7 20450.8755= x : =0.3 : X51475(X+3)= 20 1.4X-1.6×5 = 1.8 7X-3X = 2.042 129×3-1.7X =13.4 31+0.8x=7.2 6815-2x-6=8 32x5.4x÷4=1.35 (1013.2x-18=13x+9 X12﹕X = 1﹕184 18 1﹕X =4﹕2693
X﹕5 =1÷3 35+14x=1720 7-113X+5=2X X÷172=11 0.834X+12=1 X35X +25= 5 ÷X=5.4÷3 ÷172=11 0.8÷(0.5X-1)=6 (X+2)=4(X+1) -1.2x=65 -7x-5x=420
-7.5)×x=0.125×8 ﹕3 = 0.6﹕0.15 ﹕(X-1)=2﹕7 0.251.25 = 1.6X x-25x=14
23=2x x -518x=3×45
12X-13X=5
÷X=3÷4.2
11313531X-X=5 X+=1 X-=× 234248423.5÷X=5÷4.2 X-
98X =33 =0.6÷X 2021122323
(2+ )X= 9 X-5 X= 1- X= 515 X-1X=233 8X512 X+749X=3 X÷1.98=0.4 =3.2×0.15
122 X+3 X=14 7.2x-5.4x=25.2 9x:23=60:5 7x+895+1=7 5X-5396=
12 X+25%=10 7.8×3X =3.6
(4.5-X)×0.375=0.75 X-0.52 X10:??485:0.8 0.6×(x-0.6)=0.6 ×3-1.7x=13.4 21??21967:67 25=2.4 5x-20%x=19.2