1樓:匿名使用者
=3/8×[1÷(14/20-3/20)]=3/8×[1÷(11/20)]
=3/8×[1x20/11]
=3/8×20/11
=3/2x5/11
=15/22
計算脫式 (5/6-1/4*2/3)÷1/6 (3/8-1/4)÷(8/9*3/4) 18/35÷0.6*2/3 7/8*【1÷(7/10-7/20)】 下面
2樓:匿名使用者
(5/6-1/4*2/3)
÷1/6
=(5/6-1/6)
=5/6×6/1-1/6×6/1
=5-1
=4(3/8-1/4)÷(8/9*3/4)=(3/8-1/4)÷2/3
=3/8×3/2-1/4×3/2
=9/16-3/8
=9/16-6/16
=3/16
或=(3/8-1/4)÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35÷3/5×2/3
=18/35×5/2
=9/7
7/8*【1÷(7/10-7/20)】
=7/8×[1÷7/20]
=7/8×[1×20/7]
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-2.98-0.67
=4-2.98
=4-(3-0.02)
=4-3+0.02
=1.02
7.85*99+7.85
=7.85(99+1)
=7.85×100
=785
(51+34/39)*2/17
=51*2/17+34/39*2/17
=3*2+4/39
=6+4/39
=6又4/39
7.5*0.4*25*0.8
=25*0.3*0.4*25*0.2*4
=25*4*25*0.4*0.3*0.2
=100*10*0.06
=60102*7.8
=(100+2)*7.8
=780+15.6
=795.6
14.28÷3.5÷2
=14.28÷(3.5*2)
=14.28÷7
=2.04
2/3*1/15+14/15*2/3
=2/3(1/15+14/15)
=2/3×1
=2/3
97*97/98
=97×(1-1/98)
=97-97/98
=96又1/98
3樓:我不是他舅
(5/6-1/4*2/3)÷1/6
=(5/6-1/6)×
6=4/6×6
=4(3/8-1/4)÷(8/9*3/4)=1/8÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35×5/3×2/3
=6/7×2/3
=4/7
7/8*【1÷(7/10-7/20)】
=7/8×1÷7/20
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-0.67-2.98
=4-2.98
=1.02
7.85*99+7.85
=7.85×(99+1)
=7.85×100
=785
200道六年級數學題(脫式計算題,簡便計算)
4樓:匿名使用者
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/273. 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 × 5/97. 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 × 11/514. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )16. 5/9 × 18 – 14 × 2/717.
4/5 × 25/16 + 2/3 × 3/418. 14 × 8/7 – 5/6 × 12/1519. 17/32 – 3/4 × 9/2420.
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 ÷ 1/225. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 1527. 7/19 + 12/19 × 5/628. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/230. 101 × 1/5 – 1/5 × 2131.50+160÷40
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
37.812-700÷(9+31×11)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.
8×0.55)÷8.543.
0.12× 4.8÷0.
12×4.844.(3.
2×1.5+2.5)÷1.
645.6-1.6÷4= 5.
38+7.85-5.37=46.
7.2÷0.8-1.
2×5= 6-1.19×3-0.43=47.
6.5×(4.8-1.
2×4)=
49.5.8×(3.
87-0.13)+4.2×3.
7450.32.52-(6+9.
728÷3.2)×2.551.
[(7.1-5.6)×0.
9-1.15] ÷2.552.
5.4÷[2.6×(3.
7-2.9)+0.62]53.
12×6÷(12-7.2)-6
(54)12×6÷7.2-6
(55)0.68×1.9+0.32×1.9(56)(58+370)÷(64-45)
(57)420+580-64×21÷28
(58)(136+64)×(65-345÷23)(59)48.10.15-10.
75×0.4-5.71.
18.1+(3-0.299÷0.
23)×12.(6.8-6.
8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
5.6-1.6÷4= 5.
38+7.85-5.37=6.
7.2÷0.8-1.
2×5= 6-1.19×3-0.43=7.
6.5×(4.8-1.
2×4)
8.10.15-10.
75×0.4-5.79.
5.8×(3.87-0.
13)+4.2×3.7410.
32.52-(6+9.728÷3.
2)×2.511.[(7.
1-5.6)×0.9-1.
15] ÷2.512.5.
4÷[2.6×(3.7-2.
9)+0.62]13.12×6÷(12-7.
2)-6
14.12×6÷7.2-6
15.33.02-(148.4-90.85)÷2.51. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/273. 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 × 5/97. 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 × 11/514. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )16. 5/9 × 18 – 14 × 2/717.
4/5 × 25/16 + 2/3 × 3/418. 14 × 8/7 – 5/6 × 12/1519. 17/32 – 3/4 × 9/2420.
3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/623. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/225. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 1527. 7/19 + 12/19 × 5/628. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/230. 101 × 1/5 – 1/5 × 21
5樓:取名字太難了
你忽悠人只有149道,而且還有30多道重複的,還有幾道是一個是一個的下一步計算,不過還是謝謝你。
6樓:匿名使用者
可以買本資料抄抄,方便些
25×(40十100)
8x0、2×0、5
7、5一(2、5+3、8)
27×15/26
3/5×1/2×4/5
5/6×12/21×7/15
4/7x7/12÷4/9
1、8x4×0、5
有空再發
7樓:然曹陽路
可以買本練習冊,進行摘抄
8樓:純純的星星
34×3.535-3.5×34.34
=34×3.5×1.01-3.5×34×1.01=08+89+899+8999+89999=9+90+900+9000+90000-5=99999-5
=99994
0.67×2.1+0.
018×21+8.5×0.79=0.
67×2.1+0.18×2.
1+8.5×0.79=(0.
67+0.18)×2.1+8.
5×0.79=0.85×2.
1+0.85×7.9
=0.85×(2.1+7.9)
=0.85×10
=8.5
22222.2×9.99999
=22222.2×(10-0.00001)=222222-0.222222
=222221.777778
1997×19961996-1996×19971997=1997×1996×10001-1996×1997×10001=00.02+0.04+0.
06+0.08+……+19.94+19.
96+19.98
=(0.02+19.98)×999÷2
=10×999
=9990
99999×77778+33333×66666=99999×77778+99999×22222=99999×(77778+22222)
=99999×100000
=9999900000
(4又5/6-3又3/4)/(3/14+2/7)=13/12÷1/2
=13/6
=2又1/6
(4.8/1又4/5+3又1/2+7又1/3)*4/9=(2又2/3+7又1/3+3.5)*4/9=(10+3.5)*4/9
=13.5*4/9
=617.2/【(3又2/5-1.25)*2/3】=17.2/【2.15*2/3】
=17.2÷43/3
=1.2
5*5又1/5
=5*5+5*1/5
=25+1
=26(5又2/5-1.8)/[(1.15+13/20)*1又2/3]
=3.6/[1.8*5/3]
=3.6/3
=1.2
3又5/8*5又1/5+5又1/5*6又3/8=5.2*(3又5/8+6又3/8)
=5.2*10
=52[3/4-7/8/(5/6+4/5)]*28=[3/4-7/8÷49/30]*28
=[3/4-15/28]*28
=3/4*28-15/28*28
=21-15
=6(1.25*4/5-0.76)/(1又3/8+1又1/40)=(1-0.76)/2.4
=0.24/2.4
=0.1
[(0.2+1/3)*4.5]/(8又1/20-6.45)=8/15*4.5/1.6
=2.4/1.6
=1.5
x+3又2/3=5
x*9又3/4=7又1/11 x/2/5=106又2/3-x=4.25 6.4*1.
7+6又2/5*8.3(4又6/7+1.75)/1又11/14+3又5/62.
16-7x=0.06
1/2x-0.5=5又1/2
8.16-1.26/0.3*1.5
=8.16-4.2*1.5
=8.16-6.3
=1.86
8.4*[(1.2+3又1/3)/3.4-1/2]=8.4*[68/16/3.4-1/2]
=8.4*[5/4-1/2]
=8.4*3/4
=6.3
5.8:x=3又1/2:7
3.5x=7*5.8
x=7/3.5*5.8
x=2*5.8
x=11.6
3/10*55-4x=14.5
16.5-4x=14.5
4x=2
x=0.2
19.38-4又7/8-5又1/8
=1.938-(4又7/8+5又1/8)
=19.38-10
=9.38
13又7/13-(6又3/5+3又7/13)=13又7/13-3又7/13-6又3/5=10-6又3/5
=3.4
1又3/4+[2又3/14-(2又3/14-1.875)]/2又1/12
=1又3/4-15/8*12/25
=1又3/4-9/10
=0.85
(9.4-8又2/5)/[(1.1+1/15)*1又7/18]=1/[7/6*25/18]
=1÷175/108
=108/175
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