四年级数学上册简便计算49.docx
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四年级数学上册简便计算49.docx
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四年级数学上册简便计算49
68.06-12.72-17.28
4.2×85+4.2×15
16×25-51
33.41+12.82+66.59
6.53×8+6.53×2
5.04×17.78-5.04×7.78
78.8+19.1-28.8
36×25×70
99.41-11.33-18.67
2.18×65+2.18×35
56×25-49
67.98+10.18+32.02
2.58×2.5+2.58×7.5
9.14×1003.55-9.14×3.55
86.94+25.3-46.94
40×125×71
78.84-14.5-15.5
5.65×74+5.65×26
16×1250-17
29.02+10.63+70.98
3.22×5.4+3.22×4.6
2.67×18.29-2.67×8.29
57.28+55.02-27.28
20×125×44
73.9-11.33-18.67
6.61×32+6.61×68
56×250-72
63.81+14.72+36.19
1.32×6.3+1.32×3.7
6.16×14.72-6.16×4.72
83.57+27.58-43.57
28×25×73
95.52-13.47-16.53
5.25×47+5.25×53
40×125-53
29.57+11.19+70.43
1.36×7.1+1.36×2.9
2.1×1005.39-2.1×5.39
69.76+51.92-19.76
16×25×40
64.07-14.42-15.58
9.16×86+9.16×14
16×1250-79
35.07+10.01+64.93
1.01×2.5+1.01×7.5
4.97×17.47-4.97×7.47
58.84+26.93-18.84
44×125×44
74.03-10.12-19.88
9.35×75+9.35×25
64×1250-63
37.79+10.14+62.21
1.21×7.6+1.21×2.4
3.33×18.8-3.33×8.8
55.53+36.02-35.53
48×25×46
64.45-12.7-17.3
7.91×57+7.91×43
96×250-34
63.73+13.54+36.27
2.2×2.9+2.2×7.1
3.28×14.36-3.28×4.36
55.21+54.33-25.21
12×1250×27
71.95-14.94-15.06
5.11×93+5.11×7
48×25-12
64.53+10.04+35.47
3.24×5.7+3.24×4.3
9.45×11.04-9.45×1.04
56.85+57.16-16.85
40×25×42
54.1-13.03-16.97
1.68×79+1.68×21
64×125-30
42.3+13.37+57.7
7.47×2+7.47×8
6.54×13.44-6.54×3.44
61.29+95.26-41.29
28×125×17
79.87-11.61-18.39
1.74×27+1.74×73
64×125-70
23.5+10.44+76.5
9.56×5.5+9.56×4.5
8.71×106.79-8.71×6.79
80.64+50.79-70.64
8×250×20
79.05-10-20
1.53×47+1.53×53
96×25-66
39.97+12.17+60.03
8.07×6.8+8.07×3.2
7.69×1007.13-7.69×7.13
52.37+31.1-32.37
32×1250×72
48.87-14.69-15.31
3.85×41+3.85×59
72×250-17
39.23+11.86+60.77
7.61×7.4+7.61×2.6
3.21×18.6-3.21×8.6
79.87+54.59-59.87
4×125×51
91.08-13.42-16.58
8.44×41+8.44×59
96×250-43
75.9+14.69+24.1
6.34×2.2+6.34×7.8
6.69×1005.84-6.69×5.84
84.14+27.13-74.14
44×25×67
97.22-13.05-16.95
3.46×59+3.46×41
40×1250-63
56.82+14.29+43.18
7.83×5.8+7.83×4.2
9.93×101.04-9.93×1.04
89.75+81.56-79.75
40×250×68
54.86-11.15-18.85
2.73×61+2.73×39
80×125-93
26.12+12.23+73.88
6.61×7.4+6.61×2.6
7.91×106.73-7.91×6.73
89.75+19.84-39.75
24×250×28
96.62-14.86-15.14
8.91×13+8.91×87
16×25-97
45.96+11.63+54.04
4.25×4.2+4.25×5.8
2.84×1004.03-2.84×4.03
56.74+55.21-26.74
28×1250×25
73.83-10.37-19.63
5.41×83+5.41×17
64×125-79
16.38+10.77+83.62
7.57×1.4+7.57×8.6
5.56×1004.7-5.56×4.7
60.81+96.45-50.81
8×250×59
51.5-10.95-19.05
9.42×73+9.42×27
96×250-22
62.67+13.76+37.33
1.95×5.8+1.95×4.2
5.97×1008.92-5.97×8.92
77.96+10.92-37.96
4×250×92
88.51-11.12-18.88
5.03×56+5.03×44
96×1250-58
36.72+10.06+63.28
1.2×5+1.2×5
3.31×1006.3-3.31×6.3
63.34+85.89-43.34
16×1250×67
44.07-13.04-16.96
4.38×48+4.38×52
72×125-23
81.22+12.9+18.78
6.62×2.8+6.62×7.2
9.49×1008.02-9.49×8.02
94.19+48.9-54.19
28×1250×63
78.45-13.03-16.97
6.53×65+6.53×35
72×125-35
56.25+14.49+43.75
2.26×4.3+2.26×5.7
7.79×13.72-7.79×3.72
55.82+69.4-35.82
48×25×78
48.47-11.4-18.6
1.4×68+1.4×32
80×125-51
26.6+11.27+73.4
3.69×5.4+3.69×4.6
3.11×1005.59-3.11×5.59
92.5+39.13-42.5
4×25×42
86.62-13.5-16.5
1.24×92+1.24×8
40×1250-63
82.49+10.59+17.51
6.61×2.1+6.61×7.9
4.67×103.99-4.67×3.99
72.45+42.55-62.45
4×250×31
56.89-11.95-18.05
6.74×97+6.74×3
88×25-56
71.06+14.03+28.94
6.21×6.8+6.21×3.2
9.58×19.04-9.58×9.04
78.38+95.17-58.38
36×1250×86
99-10.54-19.46
8.97×95+8.97×5
64×125-70
80.35+13.51+19.65
8.22×6.9+8.22×3.1
8.41×18.92-8.41×8.92
50.75+17.71-0.75
48×25×84
41.69-12.45-17.55
1.11×6+1.11×94
48×125-17
54.88+10.93+45.12
5.99×1.3+5.99×8.7
5.31×101.6-5.31×1.6
51.59+57.99-11.59
16×250×80
92.42-14.31-15.69
4.07×79+4.07×21
72×25-16
63.16+10.82+36.84
6.59×7.4+6.59×2.6
3.28×11.06-3.28×1.06
83.45+84.59-53.45
48×25×93
88.36-12.09-17.91
3.34×35+3.34×65
16×125-53
62.48+11.07+37.52
9.09×3+9.09×7
8.48×1004.82-8.48×4.82
66.18+42.08-26.18
44×125×43
57.46-10.44-19.56
7.88×33+7.88×67
96×250-65
91.89+13.59+8.11
3.95×1.3+3.95×8.7
9.57×12.23-9.57×2.23
55.82+46.67-5.82
4×1250×65
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