100以内加减法自动出题(F9换题)111+7+1=192134+48-37=45226+20-29=172256+32-40=4836+34-35=52394-77+13=30414-13+41=422427-27+8=8537-11+17=432512+3-4=11663+8-33=382664-64+79=79715+56-67=42778-4-61=13833-31+38=402884-5-8=71975-57+80=982912-5+15=221038-15+0=233067-13+30=841167-33+49=83312+19+12=331222+33-12=433241-29+64=761317+65-35=473381-56+57=821436+47-76=73473+18-17=741587-33+45=993510+18+49=771625+21+1=47366+25-19=121736-2+42=763795-95+61=611869-16+17=70389+31+32=721966-17+51=1003992-74+9=272072+26-14=844089-49+27=67