文档介绍：3+24= 66-39= 17+49= 53+29=
39-34= 44+29= 46+53+7= 53+19+13=
48+46+4= 45+22+19= 85-39= 36+3=
41+29= 82-483+24= 66-39= 17+49= 53+29=
39-34= 44+29= 46+53+7= 53+19+13=
48+46+4= 45+22+19= 85-39= 36+3=
41+29= 82-48= 56+26= 50-31=
38+36= 32-18= 29+28+39= 45+27+3=
3+22+68= 13+5+35= 83-35= 51-48=
62+12= 69-39= 56-49= 46+13=
78-28= 69+16= 27+35+28= 29+38+24=
73+9+16= 57+26= 94-39= 68+15=
36+31= 82-17= 54-15= 67+13=
66-41= 45+16+29= 34+29+18= 29+28+35=
61+2+18= 50-29= 74-39= 64+29=
35-17= 74-65= 70-24= 81-22=
72-19= 32+23+39= 45+39= 28+16+19=
75-55= 92-27= 80-46= 29+65=
75-34= 76-38= 72-52= 43+19=
69-32= 46+25+5= 38+36+19= 36+39+18=
71-43= 54+29= 68+17= 91-65=
39+37+3= 80-28= 49+37= 24+29=
2+39+16= 29+36+24= 65-16= 39+18+22=
81+1+6= 59+25= 39+37+19= 67+26=
12+59= 51+39= 39+16+19= 63-27=
56+25 36+13+27= 81-28= 46+36+18=
39+18+2 34+33= 56+29= 99-