五年级上册小数简便运算以及解方程易错题练习

五年级上册小数简便运算以及解方程易错题练习(B) 13.5 X 4+ 3x = 126

6x + 3.1 X 6 =

64.2

4x-4X0.73=25.08 5x - 4X 5= 30

(x — 3.1 ) - 6= 1.2 (x + 1.7 ) - 3= 1.4

(A) 4x-12 = 48 5x ＋4= 24 10 ＋

1.5x

25

(C)2(x-2.6)=8 8 x-6.2 )= 41.6

(D) 3.5x —1.5x=0.6 4x +1.2x=7.8

X—0.48x =

0.78

6x + 2.5x = 2.55

3x + 2x + 13.2 = 97.6 3x (E) 24—6x= 1.8 4

—x-1 =

17

X 2.5 —2x = 3.6

24 - X=3 3.6 -2X=0.3

2(4 - 2X)=16 (4.8-2X) -2=0.4

小数简便运算易错题精选

0.25 X 16.2 X 4 3.72 X3.5+6.28X3.5 4.8 X 7.8 + 78 X 0.52 3.6 X 102

4.8－4.8X0.5 (1.25 －0.125) X8 4.8X100.1 56.5 X9.9+

5.65

7.09X10.8－0.8X7.09 4.2 - 3.5

320-1.25 - 8 18.76 X9.9+1.876 3.52 - 2.5 - 0.4 0.49 宁1.4

3.6－3.6X 0.8

15.2

1.25 X

2.5 X 32

3.65 X 10.1

4.2X 99＋4.2

0.89 X 100.1 17.8 - (1.78 X 4)

(45.9 —32.7) - 8-0.125 9.7X 99＋9.7

4.36 X 12.5X 8

15.6X13.1 —15.6—15.6X 2.1

0.65 X101 27.5X3.7—7.5X 3.7 8.54