2个一行多1个,3个一行少2个,就是:
2个一行多1个,3个一行多1个.
2×3=6.士兵数是6的倍数+1
1×6+1=7
2×6+1=13
3×6+1=19
4×6+1=25
5×6+1=31
6×6+1=37
7×6+1=43
8×6+1=49
士兵是49人.
2个一行多1个,3个一行少2个,就是:
2个一行多1个,3个一行多1个.
2×3=6.士兵数是6的倍数+1
1×6+1=7
2×6+1=13
3×6+1=19
4×6+1=25
5×6+1=31
6×6+1=37
7×6+1=43
8×6+1=49
士兵是49人.