选择题目形式: 点这里直接打印,A4格式->"title": "百内两位数加减两位数不进位退位" 76-62= 60+33= 33+35= 13+72= 68-57= 16+63= 63+36= 97-74= 55-41= 14+13= 16+41= 78-43= 99-87= 24+62= 98-64= 61+30= 85-44= 84-24= 78-67= 71-31= 12+55= 80+12= 87-55= 54+35= 31+11= 12+37= 80+12= 42-21= 95-73= 48+31= 31+23= 85-12= 98-48= 83+12= 15+34= 26+23= 77-20= 72+27= 30+21= 94-51= 74-14= 15+24= 89-16= 12+81= 94-63= 67+12= 77-12= 72-50= 21+30= 98-10= 59-10= 86-13= 37-24= 10+37= 10+39= 41+34= 55+20= 21+27= 52+25= 23+21= 10+32= 82-51= 21+76= 83+12= 13+13= 96-15= 77+10= 60+38= 69-59= 10+53= 83-31= 50+48= 33-31= 33+36= 85-73= 63+10= 87-41= 23+45= 31+35= 89-62= 81+12= 19+10= 90-40= 39-23= 41+46= 61+32= 98-74= 75+10= 79-42= 53+42= 41+16= 88-60= 59-32= 11+78= 38-22= 11+21= 54-33= 34+62= 89-76= 14+15= 54+21= 25+20= 72+13= 66-14= 81-71= 40+49= 66-31= 42+16= 86-31= 73+25= 70+15= 33+26= 70+27= 35+60= 59-34= 61+38= 29+30= 73+11= 20+68= 25+32= 34+60= 25+43= 99-85= 78-75= 62-60= 99-93= 35-14= 83-51= 31+53= 26+33= 23-13= 33+14= 68-34= 11+51= 77-53= 41+31=