四年级简便运算
小学生简便运算1个回答2024-02-23 02:52
0.888*125*73+999*3
=0.111*8*125*73+999*3
=0.111*1000*73+111*9*3
=111*73+111*27
=111*(73+27)
=111*1000
=1110****
简便运算的笑话故事?1个回答2024-01-21 23:56
“数字是不会骗人的,”老师说:“一座房子,如果一个人要花上十二天盖好,十二个人就只要一天。二百八十八人只要一小时就够了。”一个学生接着说:“一万七千二百八十人只要一分钟,一百零三万六千八百人只要一秒钟。此外,如果一艘轮船横渡大西洋要六天,六艘轮船只要一天就够了。四杯25度的水加在一起就变开水了!数字是不会骗人的!”
小学简便运算1个回答2024-02-27 07:00
99999×44444÷22222÷33333
=11111×9×11111×4÷11111÷2÷11111÷3
=9×4÷3÷2
=6
小学简便运算1个回答2024-02-27 04:56
1.25x6.5x0.8
=1.25x0.8x6.5
=1x6.5
=6.5
简便运算大全1个回答2023-10-12 18:35
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/凯悉15
19. 17/32 –数凳 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/薯孙旅4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40 (58+370)÷(64-45)
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+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
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)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷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)= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.(375+1034)+(966+125)
52.(2130+783+270)+1017
53.99+999+9999+99999
54.7755-(2187+755)
55.2214+638+286
56.3065-738-1065
57.899+344
58.2357-183-317-357
59.2365-1086-214
60.497-299
61.2370+1995
62.3999+498
63.1883-398
64.12×25
65.75×24
66.138×25×4
67.(13×125)×(3×8)
68.(12+24+80)×50
69.704×25
70.25×32×125
71.32×(25+125)
72.88×125
73.102×76
74.58×98
75.178×101-178
76.84×36+64×84
77.75×99+2×75
78.83×102-83×2
79.98×199
80.123×18-123×3+85×123
小学生乘法的简便运算例题1个回答2024-02-24 03:50
0.25×16.2×4
(1.25-0.125)×8
3.6×102
3.72×3.5+6.28×3.5
15.6×2.1-15.6×1.1
4.8×10.1
4.8×7.8+78×0.52
56.5×99+56.5
7.09×10.8-0.8×7.09
1.87×9.9+0.187
4.2×99+4.2
1.25×2.5×32
3.83×4.56+3.83×5.44
4.36×12.5×8
9.7×99+9.7
27.5×3.7-7.5×3.7
0.65×101
3.2×0.25×12.5
3.14×0.68+31.4×0.032
7.2×0.2+2.4×1.4
8.9×1.01
7.74×(2.8-1.3)+1.5×2.26
3.9×2.7+3.9×7.3
12.7×9.9+1.27
5.4×11-5.4
2.3×16+2.3×23+2.3
3.65×4.7-36.5×0.37
46×57+23×86
2.22×9.9+6.66×6.7
101×0.87-0.91×87
10.7×16.1-15.1×10.7
0.39×199
0.32×403
0.25×36
0.25×0.73×4
3.65×10.1
7.6×0.8+0.2×7.6
0.85×9.9
0.25×8.5×4
1.28×8.6+0.72×8.6
12.5×0.96×0.8
10.6×0.35-9.6×0.35
.6×2.9
3.77×1.8
0.02×96
5.22×0.3
9.99×0.02
4.67×0.9
5×2.44
1.666×6.1
9.432×0.002
5.6×6.5
4.88×2.9
5.61×4.3
8.9×2.4
5.5×55
9.77×0.02
1.384×5.1
8.78×83
2.6×61
0.059×0.2
4.268×1.7
57×5.7
9.46×2.85
17.8×6.4
1.5×4.9
2.5×0.88
5.555×5.2
2.22×3.33
7.658×85
36.02×0.3
56.78×8
0.25× (0.4+0.8)简便运算怎么算?3个回答2023-01-22 13:20
0.25×(0.4+0.8)的简便运算,用到的知识点是乘法分配律,乘法结合律。
分析及过程:
0.25×(0.4+0.8)
=0.25×0.4+0.25×0.8。
=0.1+0.2
=0.3。
一乘一加的算式怎么简便运算1个回答2023-10-19 21:35
先乘再加
两个数相乘,交换因数的位置,积不变。ab=ba。乘法结合律。