列竖式计算下面各题64÷7= 16÷3= 60÷7=59÷6= 38÷9= 53÷7=
用简便方法计算下面各题. 573﹣298194+501627﹣(427+189) 630÷14125×25×32210÷6÷5.
怎样简便就怎样计算. (+)×24×153.7×+5.3×0.75+. 9.9+99.9+999.96.8÷4﹣1.2×25%+4×0.25.
0.34×12.5+0.125×66=103×0.3=4.34÷0.25÷4= 130130÷11111×66666=40.5×1.1﹣4.05=100﹣98+96﹣94…+4﹣2=
用简便方法计算 574+498487﹣305395﹣395733+260+67 998+98+82596﹣68﹣432786﹣299﹣98237﹣196+63﹣4.
9999×10001﹣9996×10002= .