(1) | 44×7=308 | (2) | 48÷6=8 |
444×7=3108 | 408÷6=68 | ||
4444×7=31108 | 4008÷6=668 | ||
44444×7=311108 | 40008÷6=6668 | ||
444444×7=3111108 | 400008÷6= | ||
4444444×7= | 4000008÷6= | ||
(3) | 1×9=9 | (4) | 15÷3=5 |
12×9=108 | 105÷3=35 | ||
123×9=1107 | 1005÷3=335 | ||
1234×9=11106 | 10005÷3= | ||
12345×9= | 100005÷3= | ||
123456×9= | 1000005÷3= |