20以内带括号加减混合运算

2-()=7?3+()=1315-()=9?4+()=13?5+()=13?9+()=132+()=4?13-()=7?9+()=19?11-()=215-()=5?10-()=7?4+()=6?10-()=610-()=3?5+()=14?9+()=13?20-()=1020以内带括号加减混合运算(6)姓名__________班级________13-()=7?1+()=9?17-()=7?11-()=56+()=10?14-()=7?15-()=7?15-()=910-()=1?6+()=11?20-()=10?13-()=84+()=10?7+()=16?13-()=3?2+()=116-()=4?9+()=18?3+()=12?2+()=113-()=2?11-()=9?1+()=2?6+()=68+()=9?6+()=14?4-()=3?2+()=411-()=10?4-()=2?1+()=3?4+()=64+()=6?4+()=8?9+()=17?8-()=31+()=6?15-()=7?9+()=18?5+()=135+()=15?17-()=8?11-()=7?5+()=1313-()=3?9+()=14?4-()=4?12-()=46-()=5?10-()=4?10-()=10?5-()=15+()=11?11-()=10?8-()=5?6+()=141+()=3?13-()=5?12-()=3?3+()=912-()=7?8-()=6?6+()=14?5+()=158-()=7?6+()=10?7-()=6?9-()=23+()=12?2+()=11?9+()=12?4+()=86+()=6?7-()=5?15-()=10?10-()=27-()=1?5+()=11?2-()=1?9+()=146+()=11?16-()=7?17-()=9?2-()=1