+ = |
2﹣ = |
6× = |
÷ = |
﹣ = |
+ = |
× = |
÷ = |
25+69= | 0.72-0.58= | 0.2÷0.001= | 0.8×1.2×1.25= |
= |
|
|
|
25×25%= + = 21÷ = × = ÷ =
÷3= 15÷30%= 2.4× = 25÷ = 42× =
× = - = × = ÷ =
+ = × = + = 15÷ =
的 是多少?
÷ =
25%×5= 43÷91=
× × 6×6
9×9 × ×