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