30+5= | 14-6= | 7+8= | 12-5= |
57-30= | 16-9= | 6+5= | 17-8= |
27+30= | 47-30= | 16+23= | 26-14= |
2×5= | 4×5= | 6×3= | 6×5= |
5×3= | 3×3= | 2×4= | 4×3= |
2×6-12= | 5×3+8= | 4×5-7= | 5×5+5= |
被除数 | 42 | 12 | 72-37 | |
除数 | 7 | 8 | 5 | |
商 | 9 | 4 |
24÷4= | 8×6= | 49÷7= | 81÷9= |
35÷7= | 18÷6= | 48÷8= | 40+5= |
+= ×=
36÷=4 ÷8=5 ×7=63 ÷9=18÷3
7×3= | 32÷8= | 24÷3= | 21÷9= |
42÷6= | 5×9= | 64÷8= | 18÷4= |
×6<28 ×8<70 4×<38