算一算.7+8= 16-10= 5+6= 13-2= 12+8= 8-5= 20-4= 9+8= 13-7

算一算.7+8= 16-10= 5+6= 13-2= 12+8= 8-5= 20-4= 9+8= 13-7=
2025-04-28 03:43:05
推荐回答(1个)
回答1:

7+8=15 16-10=6 5+6=11 13-2=11
12+8=20 8-5=3 20-4=16 9+8=17
13-7=6.