直接口算写出下面各题的得数.
498+187= | 6-4.5= | 2.25×4= | 10÷0.1= |
×= | 1÷= | ×0.12×5= | (-)×12= |
下面各题怎样简便就怎样算. (1)3.7×99+3.7 | (2)+- | (3)5.93+0.64+0.07+0.36 |
(4)(7.9-3.06÷0.68)×1.5 | (5)5.37-1.47-2.53 | (6)105×(+) |
用竖式计算下面各题,带☆的要验算.
482×7= | 506×6= | ☆72÷6= | ☆46÷7= | ☆655÷5= | ☆519÷3= |
498+187= | 6-4.5= | 2.25×4= | 10÷0.1= |
×= | 1÷= | ×0.12×5= | (-)×12= |
下面各题怎样简便就怎样算. (1)3.7×99+3.7 | (2)+- | (3)5.93+0.64+0.07+0.36 |
(4)(7.9-3.06÷0.68)×1.5 | (5)5.37-1.47-2.53 | (6)105×(+) |
482×7= | 506×6= | ☆72÷6= | ☆46÷7= | ☆655÷5= | ☆519÷3= |