直接写出运算结果: 8.4-7+1.6=________; | =________; | =________; |
=________; | 0.25×0.9×4=________; | 36×()=________; |
÷×3=________; | 1÷-÷1=________. |
(能简算的用简算)
(1)3.72-(1.72+1.3) | (2)208×7.3-20.8×63 | (3)15×888+32×0.125×0.25 |
(4)+- | (5)+++ | (6)-(-) |
直接写得数.
0.04+0.6= | 1-99%= | 14÷35= | 1200-198= |
×= | 2÷0.01= | ++= | (-)×15= |