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六年级上册数学简便计算100道及答案

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1.3/7 × 49/9 - 4/3
2.8/9 × 15/36 + 1/27
3.12× 5/6 – 2/9 ×3
4.8× 5/4 + 1/4
5.6÷ 3/8 – 3/8 ÷6
6.4/7 × 5/9 + 3/7 × 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 × 5/6 + 5/6
10.3/4 × 8/9 - 1/3
11.7 × 5/49 + 3/14
12.6 ×( 1/2 + 2/3 )
13.8 × 4/5 + 8 × 11/5
14.31 × 5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )
16.5/9 × 18 – 14 × 2/7
17.4/5 × 25/16 + 2/3 × 3/4
18.14 × 8/7 – 5/6 × 12/15
19.17/32 – 3/4 × 9/24
20.3 × 2/9 + 1/3
21.5/7 × 3/25 + 3/7
22.3/14 ×× 2/3 + 1/6
23.1/5 × 2/3 + 5/6
24.9/22 + 1/11 ÷ 1/2
25.5/3 × 11/5 + 4/3
26.45 × 2/3 + 1/3 × 15
27.7/19 + 12/19 × 5/6
28.1/4 + 3/4 ÷ 2/3
29.8/7 × 21/16 + 1/2
30.101 × 1/5 – 1/5 × 21

网友回答

0.4×125×25×0.8 
=(0.4×25)×(125×0.8)
=10×100=1000 

1.25×(8+10) 
=1.25×8+1.25×10
=10+12.5=22.5 

9123-(123+8.8) 
=9123-123-8.8
=9000-8.8
=8991.2 

1.24×8.3+8.3×1.76 
=8.3×(1.24+1.76)
=8.3×3=24.9 

9999×1001 
=9999×(1000+1)
=9999×1000+9999×1 
=10008999 

14.8×6.3-6.3×6.5+8.3×3.7 
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7 
8.3×(6.3+3.7) 
=8.3×10 
=83 

1.24+0.78+8.76 
=(1.24+8.76)+0.78 
=10+0.78 
=10.78 

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
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