减法口诀表一问一答
1-1=0
2-1=1,2-2=0
3-1=2,3-2=1,3-3=0
4-1=3,4-2=2,4-3=1,4-4=0
5-1=4,5-2=3,5-3=2,5-4=1,5-5=0
6-1=5,6-2=4,6-3=3,6-4=2,6-5=1,6-6=0
7-1=6,7-2=5,7-3=4,7-4=3,7-5=2,7-6=17-7=0
8-1=7,8-2=6,8-3=5,8-4=4,8-5=3,8-6=2,8-7=1,8-8=0
9-1=8,9-2=7,9-3=6,9-4=5,9-5=4,9-6=3,9-7=2,9-8=1,9-9=0
10-1=9,10-2=8,10-3=7,10-4=6,10-5=5,10-6=41,0-7=3,10-8=2,10-9=1,10-10=0
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