脱式计算200道,要简便计算.200道简便计算题,别出太简单.至少三步,不要口算.

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脱式计算200道,要简便计算.200道简便计算题,别出太简单.至少三步,不要口算.

脱式计算200道,要简便计算.200道简便计算题,别出太简单.至少三步,不要口算.
脱式计算200道,要简便计算.200道简便计算题,别出太简单.至少三步,不要口算.

脱式计算200道,要简便计算.200道简便计算题,别出太简单.至少三步,不要口算.
你可去数学相关网站上找找,有很多这样的题目.

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 ) <...

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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
7.91×3+3×2.19
8.67-5.8 +1.33
853-147-253
54×23+77×54
420÷28
1600-(720+650÷13)
(103-141÷47)×5
7200÷25÷4
8×(40+20)
42÷(90÷30)
18÷(24÷4)
10.5-1.5-3.5
145+78+255
125×32
656-164-36
6.84+0.4+1.4+5.16
54.25-2.14-7.86
4.8+0.2-4.8+0.2
(148-111÷37)×9
127+885÷59×7
2.45+3.8+0.55
(2296+7344÷36)×2.4
1÷0.45÷0.9-7/8
0.36×[(2+3.8)÷0.04]
68×35-408÷24
47.5-(0.6+6.4÷0.32)
44.08-44.08÷5.8
(309×17+375)÷84
3.35×6.4×2+6.73.6
3060÷15-2.5×1.04
75 ×23 +1415 ÷ 19
0.16+4÷(38 -18 )
37 -[ 195 -(145 +47 )]
35 ÷ [(15 +13 )÷29 ]
6÷35 -35 ÷6
(10000-0.16×1900)÷96
38 ×[89 ÷( 56 -34 )]
168.1÷(4.3×2-0.4)
306×15 –2080
100-91 ÷13

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1. 6÷ 3/8 – 3/8 ÷6
=1/6x(3/8-3/8)
=1/6x0
=0
2. 4/7 × 5/9 + 3/7 × 5/9
=(4/7+3/7)x5/9
=1x5/9
=5/9
3. 5/2 -( 3/2 + 4/5 )
=5/2-3/2-4/5
=1-4/5
=1/5
4. 6 ×(...

全部展开

1. 6÷ 3/8 – 3/8 ÷6
=1/6x(3/8-3/8)
=1/6x0
=0
2. 4/7 × 5/9 + 3/7 × 5/9
=(4/7+3/7)x5/9
=1x5/9
=5/9
3. 5/2 -( 3/2 + 4/5 )
=5/2-3/2-4/5
=1-4/5
=1/5
4. 6 ×( 1/2 + 2/3 )
=6x1/2+6x2/3
=3+4
=7
5. 8 × 4/5 + 8 × 11/5
=8x(4/5+11/5)
=8x3
=24
6. 31 × 5/6 – 5/6
=(31-1)x5/6
=30x5/6
=25
7. 4/5 × 25/16 + 2/3 × 3/4
=5/4+1/2
=5/4+2/4
=7/4
8. 101 × 1/5 – 1/5 × 21
=(101-21)x1/5
=80x1/5
=16
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
31.58+42=
(2)87-45=
(3)125×8=
32.50×12=
一下子没法出这么多题
从别处找来的

收起

72+27+1=72+(27+1)=72+28=100

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