两位数连加连减计算题.doc

23+41+9= 27+36+3= 25+29+17= 30+23+31=55+6+10= 49+23+11= 2+56+8= 2+22+16=35+41+1= 52+7+1= 13+6+10= 12+13+31=66+7+15= 3+59+16= 5+9+36= 14+37+3=11+6+16= 7+52+7= 57+5+11= 80+4+1=6+2+54= 50+46+2= 7+56+20= 13+15+4=11+56+10= 6+42+29= 43+43+5= 36+16+22=50+16+18= 2+13+23= 59+10+9= 34+18+18=2+27+41= 3+43+29= 19+64+6= 54+26+12=36+5+25= 4+20+48= 47+31+10= 6+41+51=81-25-35= 55-14-31= 63-40-1= 98-66-3=77-1-41= 41-4-28= 99-21-32= 94-79-3=72-17-37= 95-71-11= 96-33-53=74-12-11=68-7-32= 97-7-25= 89-59-27= 33-9-12=79-19-38= 68-8-37= 97-60-19= 58-6-19=97-15-63= 81-16-3=95-6-62= 92-17-71=50-22-10= 92-81-6= 54-30-20= 78-3-37=61-8-18= 91-43-47= 45-31-1= 82-63-1=68-5-46= 78-34-14= 86-29-49= 79-39-8=50-40-1= 61-38-2= 75-16-46= 42-