解比例:
500:X=![]() | X:10%=3:2.4 | ![]() ![]() ![]() |
![]() ![]() | 2:![]() | 13:X=0.03:0.07. |
直接写出得数:
12.4÷0.2= | 50×0.8= | 2.85×0.6= | 7.8+0.32= | 5.42÷________=0.2 |
7.2-2= | 18.6÷6= | 6.05×4= | 52.3÷5.23= | 18÷1.8+0.2= |
500:X=![]() | X:10%=3:2.4 | ![]() ![]() ![]() |
![]() ![]() | 2:![]() | 13:X=0.03:0.07. |
12.4÷0.2= | 50×0.8= | 2.85×0.6= | 7.8+0.32= | 5.42÷________=0.2 |
7.2-2= | 18.6÷6= | 6.05×4= | 52.3÷5.23= | 18÷1.8+0.2= |