脱式计算.(能简算的请简算)
4.36+8.3+3.64
37.7﹣(8.98+7.7)
19.57﹣2.37﹣3.63
8﹣7.24+5.87.
30﹣0.06+9.92
108÷(0.45÷0.9)
(0.25+12.5)×4
5.2+9.8+2.2+4.8.
递等式计算.(能简算的要简算)
19.67﹣(1.67+2)﹣1
(4﹣3.6×)÷
×
+
×
3.5×+5.5×80%+0.8
6.4×1.25×2.5
2008÷2009×2010.
脱式计算:(能简算的要简算)
12.8+1.9+15.94;
7.69+(4.76﹣1.96);
4.68+2.72+7.32;
25.06﹣2.65﹣8.35.
下面各题怎样算简便就怎样算
88.51﹣9.06﹣0.94132+16.4+268+23.63.028﹣20.44+66.972
55.27+8.236﹣5.2764.6﹣3.46+5.4﹣6.5464.3﹣18.75+15.7﹣11.25.