请用简便方法计算下列各题
0.25×0.28 0.125
×3.2×2.5 35
×40.2
0.25×4÷0.25×4 3.5×9.9 3.5×99+3.5
3.5×101-3.5 3.5×9.9+3.5×0.1 3.5×2.7+35×0.73
3.5×2.7-3.5×0.7 (32+5.6)÷0.8 3.5÷0.6-0.5÷0.6
4.9÷3.5 7÷0.25÷4 7÷0.125 ÷8
7.35÷(7.35×0.25) 7.35÷(7.35÷0.25) 7.325-(5.325+1.7)
3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.5
7.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7)
3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.8
63.4÷2.5÷0.4(1.3×5)
(÷0.7
0.35×1.25×2×0.80.1×32.4
28.6×101-0.86×14.7
14-7.32-11.33
(2.5-0.25)×0.43.6×0.5
4.9÷1.47.7
+2.5×2.4
15÷0.25
28.6
2.4×102
2.68
2.2.31×1.2×0.5
9.16×1.5-0.5×9.163.9÷
1.
)
2.7÷45
32.4×0.9
+
0.86×15.7-
8.67+7.36+
3.6-
+7.6×0.80.2×7.65×4
0.85×199
+
0.25×8.
0.25×36 0.125×3.2×2.5 35×40.2
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