20以内连加连减混合练习题(A4直接打印)

2+6+2= 6+10-5= 8-3+8= 7+8-5= 5+3+2= 19-4-5= 9+9-7= 4+1+6= 4+0+3= 10-8+3= 8+7-5= 8+8-8= 10-3-7= 7+8-4