小学生乘法的简便运算例题四年级的 至少也得要上三四百道吧！！ 速求要的是题 不是课件！！！！！！！！！！！！！！！！！！

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