脱式计算.
①15.89-(6.09-4.11) | ②36.8-44.08÷5.8 | ③75×60%+24×+0.6 |
④(++)×72 | ⑤÷[(+)÷] | ⑥43×. |
直接写出得数
3.5×2= | 3×0.25= | 14-7.4= | 0.75÷15= |
0.4×0.8= | 3.6÷1.2= | 0.72÷0.9= | 0.36+1.54= |
①15.89-(6.09-4.11) | ②36.8-44.08÷5.8 | ③75×60%+24×+0.6 |
④(++)×72 | ⑤÷[(+)÷] | ⑥43×. |
3.5×2= | 3×0.25= | 14-7.4= | 0.75÷15= |
0.4×0.8= | 3.6÷1.2= | 0.72÷0.9= | 0.36+1.54= |