脱式计算,能简算得要简算.
5.45+0.56×7.4 | 2.5×0.89×4 | 25×16.7-25×0.7 |
7.6×99 | 5.6×10.2 | 2.5×3.2×1.25 |
9.6÷0.4×0.25 | 3.56×2.8-1.24×0.9 | (12.5+1.25)×8 |
(2.5×1.7)×4 | 12.5×8.8 | 0.89×100.1 |
0.25×0.8×4×0.125 | 8.4×0.26+0.74 | 31.7-0.5×0.7-1.65. |
5.45+0.56×7.4 | 2.5×0.89×4 | 25×16.7-25×0.7 |
7.6×99 | 5.6×10.2 | 2.5×3.2×1.25 |
9.6÷0.4×0.25 | 3.56×2.8-1.24×0.9 | (12.5+1.25)×8 |
(2.5×1.7)×4 | 12.5×8.8 | 0.89×100.1 |
0.25×0.8×4×0.125 | 8.4×0.26+0.74 | 31.7-0.5×0.7-1.65. |