二年级上册加减混合笔算竖式计算练习题.doc

78-35+13= 89-45+27= 78-69+56= 25+56-67= 89-34+17= 23+54-60= 78-62+45= 69-65+78= 76-68+39= 96-67+32= 46+34-25= 78-69+66= 86-69+49= 86-67+31= 36+24-15= 23+58-66= 77-46+28= 98-59+23= 45+36-67= 23+58-56=97-46+38= 88-35+13= 28+65-67= 96-87+22=35-27+54= 79-34+37= 38+45-67= 96-77+52=99-45+27= 45-26+49= 100-68-32= 59+24-25=43+29-60= 45-29+48= 100-66+33= 77-69+56=78-69+63= 99-65+32= 78-75+13= 69-62+45=78-49+61= 99-75+22= 28+66-77= 89-64+28= 77-29+32= 99-45+17= 79-65+38= 89-64+28=