题干
口算
9-4 =____ 7-7=____ 10-5 =____ 8-5=____
6+2 =____ 2+8=____ 0+8=____ 7+3=____
16-6 =____ 5+4 =____ 18-5=____ 12+4=____
答案(点此获取答案解析）
5,0,5,3,8,10,8,10,10,9,13,16
