|
1: 20 36 8 30
2: 3/4=9/12 2/3=8/12
3: 6 8 10 15 18 24
4: 4 4 7 7 3 3 2 2
5: 2 2×3 6 2 2×8 16 ----- = ------ = ----- ----- = ------ = ----- 3 3×3 9 7 7×8 56
5 5×1 5 3 3×7 21 ----- = ------- = ---- ----- = ------- = ----- 9 9×1 5 8 8×7 56
7 7×3 21 7 7×2 14 ----- = ------ = ----- ---- = ------- = ---- 6 6×3 18 12 12×2 24
8 8×2 16 7 3×3 21 ---- = ------- = ----- ----- = ------- = ----- 9 9×2 18 8 8×3 24 | 