比一比,算一算.
|
(1)240 ÷40×5= = |
(2)240 +40×5= = |
比一比,算一算.
|
(1)56 +42÷7= = |
(2)56 -42+7= = |
比一比,算一算.
|
(1)18 +3×24= = |
(2)18 ×3+24= = |
比一比,算一算.
|
(1)27 ×3+15= = |
(2)27 +3×15= = |
比一比,算一算.
|
(1)72 -9×8= = |
(2)72 ÷9×8= = |