草甘膦中毒是什么现象:哪几句乘法口诀中不重复出现0至9十个数字?(小慧问)

来源:百度文库 编辑:高校问答 时间:2024/04/29 13:23:37

23得6,24得8,25得10,27得14,28得16,29得18,32得6,34得12,36得18,37得21,38得24,39得27,42得8,43得12,45得20,47得28,48得32,49得36,52得10,54得20,56得30,58得40,63得18,65得30,67得42,69得52,72得14,73得21,74得28,76得42,78得56,79得63,82得16,83得24,84得32,85得40,87得56,89得72,92得18,93得27,94得36,96得54,97得63,98得72

23得6,24得8,25得10,

2*3=6
2*4=8
2*5=10
2*7=14
2*8=16
2*9=18
3*2=6
3*4=12
3*6=18
3*7=21
3*8=24
3*9=27
4*2=8
4*3=12
4*5=20
4*7=28
4*8=32
4*9=36
5*2=10
5*4=20
5*6=30
5*8=40
6*3=18
6*5=30
6*7=42
6*9=54
7*2=14
7*3=21
7*4=28
7*6=42
7*8=56
7*9=63
8*2=16
8*3=24
8*4=32
8*5=40
8*7=56
8*9=72
9*2=18
9*3=27
9*4=36
9*6=54
9*7=63
9*8=72