列竖式计算(除不尽的用循环小数表示)42.8+85.42=150×0.28=4.2÷0.25=3.6×0.25=14.2÷11=12.48÷2.4=
计算:1.2×67+6.7×88= .
下面各题,怎样简便就怎样算.450﹣225÷5+135 25×71×499×425 101×79﹣79 304+306÷17﹣298.
简算与计算 3600000÷125÷32÷25 1.25×6.78+25×3.47+125×0.0382 .
(1)7.2×1.43÷÷1.1(2)0.125×76.8+12.5×0.132+1.25(3)9(4).
0.23×56+2.3×440+0.46×0.5.