五年级数学方程计算题300题

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五年级数学方程计算题

×125×25×

=(×25)×(125×=10×100=1000

×(8+10)

=×8+×10

=10+=

9123-(123+)

=

=

=

×+×

=×(+

=×3=

9999×1001

=9999×(1000+1)

=9999×1000+9999×1

×

=()×+×

=×+×

×(+)

=×10

=83

++

=(+)+

=10+

=

933-157-43

=933-(157+43)=933-200

=733

4821-998

=4821-1000+2

=3823

I32×125×25

=4×8×125×25

=(4×25)×(8×125)

=100×1000

=100000

9048÷268

=(2600+2600+2600+1248)÷26

=2600÷26+2600÷26+2600÷26+1248÷269 =100+100+100+48

=348

2881÷ 43

=(1290+1591)÷ 434

=1290÷43+1591÷43

=30+37

××

=×(4×

=4237

+18÷

=

=52+28-47

=80-47

×5分之

=

=分之4÷[1÷(506-499)÷900 =2700×7÷900

=18900÷900

=21

-(-)÷

=-÷

=-

=10

(1÷1-1)÷

=(1-1)÷

=0÷

=0

+(3-÷)×1

=+×1

=+

=

还有的从书上找吧已经写了21道了赞同1| 评论 2011-2-11 16:44 知道778811 | 一级

小学六年级简便计算

1.(1/69+2/71)乘23+25除以71

=1/69*23+2/71*23+25/71

=1/3+(46/71+25/71)

=1/3+1

=4/3

2.(1+1/2)乘(1-1/2)乘(1+1/3)乘(1-1/3)乘........乘(1+1/9)乘(1-1/9)

=3/2*1/2*4/3*2/3...*10/9*8/9

=1/2*10/9(中间的都约去了)

=5/9

2乘3+1/3乘4+.......+1/19乘20

=1/2-1/3+1/3-1/4+...+1/19-1/20

=1/2-1/20

=9/20

27+505/2727+131313/272727

=1/27+5*101/(27*101)+13*10101/(27*10101) =1/27+5/27+13/27

=19/27

+96-94+....+4-2

=(100-98)+(96-94)+...(4-2)

=2+2+...+2(共有25个)

=2*25

=50

+x)+x=÷2

2(X+X+= 25000+x=6x 3200=450+5X+X =6

12x-8x=

*2X=15

=

x+=

=

91÷x=

X+=

15x=3

3x-8=16

7(x-2)=2x+3 3x+9=27

18(x-2)=270 12x=300-4x

7x+=

3x÷5=

30÷x+25=85

×8-2x=6

×3=

410-3x=170

3(x+=21

+8=43

6x-3x=18

7+x)=

+18=3x

5×3-x÷2=8 ÷x=

=

x÷=90

9x-40=5

x÷5+9=21

48-27+5x=31 +x+21=56

x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4

20-9x=×

(x+6)=×

x+=

=

=

÷x=

5x+=

5(x+8)=102

x+3x+10=70

3(x+3)=50-x+3 5x+15=60

=2

×7+4x=

×6=

6x+=

150×2+3x=690 2x-20=4

3x+6=18

2+x)=

(x-3)÷2=

+9x=

3x=x+100

x+=

6x+18=48

3(x+=

12x-9x=

13(x+5)=169 2x-97=

=

42x+25x=134 (x+=

2(x-3)=

65x+7=42

9x+4×=91 x+=134

+=51

89x-43x=

5x-45=100

=2x=56

4x-x=

=28

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