人教版四年级数学下册《乘除法运算中的简便方法》课件
- 格式:pptx
- 大小:2.15 MB
- 文档页数:20


45×203 107 × 24 - 24 × 7
13×99 77 × 69 + 77 × 31
8×64×250 96 × 999 + 96
1800÷4÷25 1001 × 13 - 13
34000÷125÷8 27 × 22 - 22 × 7 34×5×20 34 × 89 - 89 × 4
52×4×25 15 × 59 + 15 × 941
12×250 35 × 999 + 35
72×125 11 × 56 - 56
42×203 19 × 91 - 91 × 9 25×199 81 × 48 + 81 × 52
8×77×50 19 × 99 + 19
4000÷4÷25 1001 × 69 - 69
41000÷125÷8 104 × 54 - 54 × 4
62×50×200 33 × 71 - 71 × 3 94×4×25 83 × 57 + 83 × 943
32×25 53 × 99 + 53
64×125 1001 × 42 - 42
26×102 28 × 59 - 59 × 8
14×199 95 × 64 + 95 × 936 8×93×50 67 × 999 + 67
7500÷4÷25 101 × 55 - 55
74000÷125÷8 34 × 45 - 45 × 4
55×5×20 18 × 58 - 58 × 8
65×8×25 58 × 56 + 58 × 44 36×25 64 × 99 + 64
24×125 11 × 81 - 81
31×203 38 × 13 - 13 × 8
2100÷4÷25 101 × 61 - 61
29000÷125÷8 36 × 49 - 49 × 6
93×50×2 28 × 97 - 97 × 8
53×8×250 86 × 70 + 86 × 930
8×250 93 × 99 + 93 40×125 1001 × 34 - 34
46×101 28 × 62 - 62 × 8
11×299 82 × 61 + 82 × 39
8×53×125 61 × 999 + 61
6300÷4÷25 101 × 58 - 58 10000÷125÷8 27 × 89 - 89 × 7
82×5×2 106 × 43 - 43 × 6
63×8×25 67 × 43 + 67 × 57
40×25 93 × 99 + 93
80×125 101 × 92 - 92 34×203 26 × 95 - 95 × 6
11×299 36 × 84 + 36 × 16
8×45×125 18 × 99 + 18
5700÷4÷25 101 × 13 - 13
20000÷125÷8 16 × 84 - 84 × 6 19×5×20 28 × 46 - 46 × 8
55×4×250 28 × 76 + 28 × 24
20×25 92 × 999 + 92
16×125 1001 × 87 - 87
34×202 12 × 19 - 19 × 2 12×99 44 × 19 + 44 × 81
4×69×50 62 × 99 + 62
5000÷4÷25 11 × 44 - 44
46×5×20 106 × 82 - 82 × 6
31×4×25 15 × 3 + 15 × 97
12×250 98 × 999 + 98
48×125 11 × 92 - 92
36×101 104 × 44 - 44 × 4 12×99 38 × 64 + 38 × 936
8×88×250 47 × 999 + 47
1800÷4÷25 11 × 42 - 42
95000÷125÷8 104 × 28 - 28 × 4
16×50×20 38 × 26 - 26 × 8 75×8×250 54 × 97 + 54 × 903
16×250 44 × 999 + 44
40×125 1001 × 39 - 39
41×301 104 × 61 - 61 × 4
14×199 64 × 65 + 64 × 35 4×43×25 23 × 999 + 23
7800÷4÷25 101 × 68 - 68
97000÷125÷8 108 × 94 - 94 × 8
16×5×20 36 × 44 - 44 × 6
91×4×25 69 × 72 + 69 × 928 16×25 45 × 999 + 45
48×125 1001 × 96 - 96
44×103 19 × 67 - 67 × 9
23×299 89 × 82 + 89 × 918
8×32×125 27 × 99 + 27 9900÷4÷25 11 × 22 - 22
66000÷125÷8 105 × 19 - 19 × 5
52×50×20 28 × 47 - 47 × 8
8×99×125 64 × 999 + 64
5600÷4÷25 11 × 46 - 46
31000÷125÷8 19 × 16 - 16 × 9
47×5×2 37 × 11 - 11 × 7
21×8×250 98 × 29 + 98 × 971 8×25 71 × 999 + 71
56×125 1001 × 48 - 48
14×201 104 × 42 - 42 × 4
15×299 72 × 58 + 72 × 42
8×23×250 55 × 999 + 55 4600÷4÷25 1001 × 94 - 94
36000÷125÷8 14 × 11 - 11 × 4
47×5×2 36 × 94 - 94 × 6
88×8×25 96 × 76 + 96 × 924
12×25 35 × 999 + 35 16×125 101 × 14 - 14
42×202 39 × 94 - 94 × 9
15×199 39 × 93 + 39 × 907
8×93×125 85 × 999 + 85
8600÷4÷25 101 × 64 - 64 11000÷125÷8 33 × 53 - 53 × 3
85×5×20 38 × 28 - 28 × 8
51×8×25 15 × 86 + 15 × 14
16×25 16 × 99 + 16
64×125 101 × 46 - 46 22×102 32 × 38 - 38 × 2
16×299 84 × 15 + 84 × 85
4×59×250 85 × 99 + 85