一年级上册口算题：凑10的先加后减

一年级上册口算题大全：凑10的先加后减！

8+2-9=             2+8-8=             3+7-3=            4+6-1=

5+5-3=             6+4-4=             1+9-9=            3+7-5=

3+7-7=             6+4-8=             2+8-5=            5+5-5=

5+5-7=             7+3-3=             6+4-9=            5+5-3=

1+9-6=             8+2-5=             6+4-6=            8+2-4=