五年级数学方程计算题题
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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=
x÷
×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