100以两位数加减一位直加直减（2020年12月16日整理）.pdf

1 16+2= 77+2= 2+13= 1+81= 88-8= 13-1= 18+1= 88+1= 3+56= 2+71= 98-8= 45-0= 17+3= 76+3= 5+15= 3+61= 45-5= 45-5= 16+4= 85+3= 2+10= 4+51= 56-6= 78-5= 17+2= 90+2= 3+16= 5+61= 99-9= 98-5= 20+3= 63+5= 4+16= 6+81= 63-5= 15-2= 30+5= 66+2= 5+13= 9+11= 77-6= 56-3= 16+1= 99+0= 4+12= 7+31= 78-4= 69-5= 17+1= 55+3= 6+22= 8+21= 58-5= 96-6= 30+7= 22+3= 3+26= 2+92= 88-1= 68-7= 40+2= 26+3= 6+91= 3+82= 98-3= 89-8= 30+2= 75+2= 3+56= 4+72= 97-2= 17-3= 90+3= 84+2= 2+65= 5+62= 97-7= 27-4= 40+2= 86+3= 4+32= 7+82= 67-4= 37-5= 50+3= 56+3= 6+32= 3+25= 57-3= 47-6= 44+4= 11+6= 9+11= 3+35= 69-2= 57-7= 22+2= 12+3= 8+91= 3+45= 79-8= 77-0= 33+3= 98+1= 7+82= 3+55= 79-7= 97-1= 46+3= 92+3= 3+15= 3+65= 89-5= 56-2= 36+2= 95+3= 6+14= 3+75= 99-4= 16-3= 50+3= 89+1= 6+43= 3+85= 69-3= 36-4= 77+1= 34+4= 6+83= 3+65= 79-2= 46-5= 33+2= 36+3= 6+93= 3+95= 19-1= 56-6= 。