二年级口算练习进步(2位数加减法).doc

-! 44+3= 86+4= 29+7= 95-20= 79-50= 12+9= 34+2= 6+24= 80-50= 5+61= 60-40= 67-30= 66-60= 71+2= 84-10= 1+19= 59-10= 15+9= 3+66= 64+1= 74+8= 30+19= 54+8= 58-40= 95+5= 3+86= 6+78= 39+60= 5+57= 7+32= 76-40= 10+48= 10+77= 40+37= 84-50= 37-10= 70+13= 89+1= 9+42= 1+22= 7+53= 75-40= 78-50= 52+3= 83+8= 56-20= 80+3= 29+6= 36+8= 12+1= 32+17= 58+14= 80-20= 88-50= 93-60= 88+6= 24+37= 49-10= 36+30= 97-80= 7+85= 45+30= 20+56= 91+6= 6+88= 19+10= 55+40= 60-50= 84+12= 24+74= 20+50= 73-20= 89+4= 28+8= 8+70= 22+6= 64-10= 46+4= 51+8= 96-60= 32+63= 6+26= 26+9= 68-50= 38-20= 63-50= 50+45= 68-20= 19+38= 83+3= 85-80= 32+40= 47-20= 43+43= 72-50= 64-20= 98-50= 40+25= 4+42= 7+79= 20+39= 31+8= 91-70= 20+52= 41-20= 3+53= 51+9= 5+87= 97-50= 9+90= 46+50= 10+38= 23+8= 31-30= 62+9= 10+19= 80+7= 98-10= 46+40= 58-20= 34+6= 40+19= 54-30= 70+14= 25+60= 81-50= 51-40= 4+16= 42+30= 49+5= 2+66= 10+1= 20+28= 19-10= 42+19= 30+34= 8+64= 4+58= 7+48= 26+16= 62+30= 6+23= 40+3= 22-20= 77+6= 81-80= 8+39= 9+26= 2+79= 1+38= 74-20= 94+2= 8+60= 23+30= 10+27= 4+61= 1+53= 3+10= 8+45= 64+1= 7+84= 54+7= 9+27= 96-20= 55+1= 36+40= 89-70= 24+3= 30+44= 4+36= 23+40= 3+92= 47+10= 4+49= 20+44= 47-20= 14+30= 2+85= 80-80= 40+43= 60+25= 64-30= 4+42= 40-20= 70+12= 8+28= 71+3= 8+71= 18+60= 52-40= 37+8= 51+9= 20+9= 88-60= 55+30= 57+9= 8+16= 43+9= 4+25= 68-60= 11+77= 61+2= 10+3= 70+20= 68-50= 51-40= 71-10= 2+21= 7+45= 5+58= 77-30= 89+10= 88-40= 57+3= 1+43= 3+97= 85-50= 5+50= 8+10= 3+54= 12+7= 8+34= 58+6= 20+69= 86-40= 32+8= 57-30= 22+20= 97-20= 93-10= 20+78= 74-10= 49+20= 19+2= 9+58= 20+38= 20+36= 5+25= 83-30= 82+4= 47-40= 3+60= 3+96= 21+7= 5+54= 78-10= 30+23= 56+4= 84+10= 57+10= 47+9= 4+38= 20+13= 9+21= 43+30= 4+26= 8+67= 16-10= 1+79= 70+2= 90+4= 36+60= 34-10= 49+4= 15+4= 62+2= 60+13= 18+20= 93+3= 59+3= 72-20= 70+4= 61-50= 84-70= 5+40= 71+3= 91+6= 30+59= 53-40= 7+36= 18+8= 3+89= 35-10= 6+30= 75-30= 72+20= 9+21= 76-20= 10+82= 40+2= 97-60= 74-20= 79-30= 5+22= 25+10= 8+52= 19+50= 10+32= 8+49= 89+7= 50+10= 77-50= 6+41= 2+33= 10+73= 8+12= 6+72= 59+20= 39+20= 3+53= 10+26= 5+61= 94-20= 73-50= 98-30= 94-80= 44-10= 88-70= 13+9= 30+58= 8+66= 86+12= 34+9= 43+40= 80+15= 44+5= 9+74= 6+24= 50+38= 52+30= 3+80= 1+98= 1+78= 70+9= 30+70= 26+20= 60-30= 84+10= 49+2= 84-70= 80+14= 6+12= 89-50= 48+7= 32+31= 16+20= 10+38= 7+85= 61-40= 9+61= 8+24= 8+50= 44+6= 3+86= 9+48= 19+1= 60+16= 10+90= 54-20= 23-20= 50+22= 13+10= 88+1= 30+63= 75+10= 14+30= 85+1= 41-10= 6+70= 74-40= 40+46= 95-30= 51+5= 10+87= 61-20= 69-20= 3+43= 8+71= 9+39= 10+81= 29+60= 75-50= 6+82= 66-30= 65-30= 77-70= 41+20= 27+40= 10+70= 7+25= 39+9= 43+3= 43+7= 21+9= 8+59= 58+5= 84+5= 8+16= 50-10= 83-40= 2+61= 79+3= 63-60= 30+33= 46+7= 30+24= 56+2= 26+10= 1+74= 4+26= 9+91= 30-10= 22+9= 16+2= 24+2= 41+30= 38+2= 59-30= 70-40= 88-20= 55-30= 28+40= 30+21= 30+38= 65-60= 54-20= 4+73= 49+8= 38-20= 6+79= 96-70= 28+7= 55-40= 30+63= 95-60= 30+48= 75-70= 5+27= 93-50= 51+8= 98-50= 8+90= 33+20= 4+55= 6+26= 90-70= 30+5= 33+9= 93+5= 98-20= 40+30= 76-70= 6+22= 51-50= 4+13= 70+20= 42+6= 8+42= 52-20= 59+20= 28+20= 29-10= 78-60= 54-10= 50+16= 43-40= 6+91= 50+26= 10+66= 3+48= 20+80= 31-30= 21+20= 52+10= 38+60= 81+8= 11+7= 1+51= 80+6= 6+16= 36-20= 10+44= 72-70= 82+5= 76-20= 3+54= 5+91= 32+7= 34+5= 77-70= 20+66= 81-20= 10+37= 93-20= 74-70= 43+3= 21+30= 30+38= 86+2= 50+44= 28+1= 85-20= 6+83= 10+38= 5+18= 5+92= 84+6= 24+30= 5+76= 49-40= 48+6= 40+50= 52+10= 17+20= 95-40= 90-90= 45-10= 67-50= 41-20= 30-10= 2+20= 10+71= 70+16= 20+57= 77-10= 76-50= 5+58= 5+16= 51+2= 89+1= 21-10= 42+6= 77-30= 51+7= 17+9= 25+4= 50-30= 21+50= 27+7= 77-10= 10+16= 20+59= 49+7= 77+8= 22+10= 19+9= 1+85= 53+5= 34+9= 76-40= 66+5= 41-40= 30+13= 46-40= 35-30= 89-50= 10+52= 80+3= 7+68= 92+7= 66-40= 32-30= 93+2= 80-80= 84-60= 80-50= 46+5= 98-50= 6+62= 70-60= 18+32= 84-70= 68+3= 8+20= 80+15= 81+5= 96-70= 58+40= 64-20= 57+23= 23-20= 60+15= 64+3= 13+80= 66-40= 2+54= 68-50= 2+67= 4+94= 97-80= 56-30= 1+27= 37-20= 1+44= 7+14= 39+8= 10+76= 13+50= 5+82= 30+33= 12+1= 60-10= 64+2= 4+11= 73+3= 84-10= 23+20= 95-90= 2+14= 94+2= 31+5= 30-20= 6+91= 36+20= 54+20= 13+60= 7+64= 97-90= 11+3= 95-30= 68+7= 91-50= 96-40= 80-70= 37-10= 16+80= 2+27= 31+2= 91-30= 92-10= 54+7= 6+33= 70+3= 5+35= 8+35= 1+93= 62-60= 55-40= 33+20= 41-30= 1+71= 90+8= 40+29= 86-70= 2+21= 2+31= 32+5= 36+50= 72-30= 10+16= 92+6= 1+94= 10+45= 72-30= 74-20= 7+63= 79-40= 70+23= 8+22= 12-10= 16+40= 20+72= 18+30= 2+18= 7+54= 61-10= 87-80= 8+62= 36-10= 40-40= 5+93= 17+40= 17-10= 39+9= 86+13= 41-30= 30+40= 1+47= 46+2= 8+61= 20+48= 54-40= 60+24= 6+73= 6+21= 61+9= 8+48= 2+91= 87-50= 1+28= 27+4= 6+77= 39+6= 38+50= 36+30= 42-30= 66-40= 75-20= 40+55= 5+57= 8+48= 2+15= 2+78= 84+8= 72-50= 20-10= 30+44= 51+40= 50-50= 18+50= 42-20= 9+79= 14+4= 91+2= 7+19= 25-20= 9+30= 23+40= 3+48= 89+8= 43+7= 60+1= 75+15= 95-40= 68+10= 60-40= 58-30= 22-10= 19-10= 6+46= 95-30= 77-50= 75-60= 34+8= 43-30= 83+6= 5+70= 68+6= 2+53= 27+4= 61+9= 58-20= 87+1= 60+31= 62+7= 83-10= 8+31= 5+87= 30+33= 82-50= 10+2= 88-80= 4+52= 10+55= 76+8= 14+4= 7+50= 71-30= 6+82= 56-50= 4+25= 82-10= 30+18= 78-20= 3+41= 7+27= 7+18= 9+74= 65-50= 36+6= 87-20= 10+8= 1+86= 79+5= 94-50= 82+5= 6+38= 90-10= 74+6= 10+24= 50+25= 66+2= 1+49= 90-90= 1+69= 2+55= 11+73= 20+59= 24+2= 12+5= 68+7= 11+7= 87-80= 82-20= 41+10= 82+4= 2+47= 66-40= 33-20= 35-10= 89-80= 42-40= 30+11= 71-60= 2+47= 6+32= 7+55= 45-40= 93+1= 56+10= 3+12= 3+32= 50+4= 87-20= 78+1= 17+9= 89-40= 6+17= 57+30= 98-70= 82-10= 90+5= 4+66= 2+72= 30+39= 30+41= 75+13= 42+3= 10+85= 7+18= 6+14= 2+98= 1+52= 7+85= 68-60= 30+15= 90+7= 31+10= 16-10= 55-40= 28-10= 6+36= 1+71= 35+5= 6+33= 6+56= 8+50= 41+50= 7+22= 82-80= 48-40= 22+3= 59+8= 80+15= 30+61= 25-20= 10+86= 53+7= 78+3= 88+4= 2+78= 21+2= 57+40= 5+29= 60+16= 23+5= 50+46= 59+4= 19+60= 96-40= 55+10= 63-50= 88-40= 40+5= 89+9= 96-30= 85+9= 4+36= 19+30= 1+27= 49-10= 76-40= 70-20= 33+40= 74-50= 15+80= 86+8= 8+43= 11+10= 31-20= 14+4= 60+15= 95-40= 5+48= 36+7= 88+9= 65+30= 8+17= 63-20= 95-20= 40+28= 29+50= 9+35= 58+10= 26+6= 69-20= 91+3= 18+5= 40+41= 20+34= 40+40= 74+20= 61-10= 10+71= 50+26= 7+43= 35+9= 4+45= 3+72= 18+9= 30+69= 2+81= 83-30= 21+1= 8+23= 24+7= 59+6= 76+7= 4+37= 93-10= 33-20= 1+60= 5+40= 51-30= 3+32= 62+7= 48+8= 79+20= 57-50= 72+10= 44+5= 43-10= 88-80= 2+54= 8+26= 18+6= 44-30= 63-40= 92-30= 6+30= 31-30= 8+48= 10+3= 4+13= 33+7= 18+4= 31-20= 34-30= 8+48= 95+1= 90-20= 74+2= 3+11= 10+12= 96-10= 9+28= 34+10= 3+85= 56+2= 69+2= 53+10= 46+30= 40+4= 37-30= 86-30= 50-10= 86-20= 6+63= 22-20= 30+41= 2+30= 43-20= 29+1= 8+78= 62-60= 28+50= 83+4= 59+3= 3+52= 72+20= 88-80= 70+4= 67+7= 40+17= 59-30= 11+3= 85+6= 7+63= 5+29= 10+5= 9+28= 12+7= 20+63= 7+66= 91-20= 60+22= 60-50= 94+4= 23-10= 8+31= 30+8= 47+50= 3+73= 6+15= 4+40= 92+6= 29+2= 40+3= 48-10= 32+50= 6+78= 82-70= 9+89= 4+63= 30+63= 37-20= 30+50= 40+54= 60+34= 58+8= 4+17= 5+29= 79+3= 30+31= 30+38= 20+33= 91+3= 66+30= 37-10= 70+4= 2+86= 68+4= 3+35= 38-10= 81-80= 70-10= 48+30= 67-30= 69-10= 26-10= 77-50= 41-20= 94-20= 79-50= 90-30= 48+10= 87-10= 69+6= 7+49= 3+58= 69-40= 20+14= 5+46= 31+6= 19+50= 87-50= 53+2= 14+10= 67-60= 43-30= 8+89= 79-20= 38+4= 51-50= 4+61= 80+10= 59+30= 17+30= 65+6= 9+44= 9+21= 83-50= 9+58= 78-50= 40+8= 76-60= 70-40= 17+5= 70+22= 32+1= 51+2= 67-30= 78+6= 63+4= 42-30= 98-60= 28+12= 91-30= 85-30= 31+40= 81-30= 9+16= 55-40= 20+4= 55+40= 73+7= 92+2= 18-10= 64+20= 34+6= 4+78= 93-20= 26+7= 4+40= 9+75= 9+61= 7+38= 7+18= 20+36= 40+55= 37-20= 83-80= 57-20= 74-60= 23+8= 41-30= 64+6= 43+10= 5+57= 78+20= 80+3= 70+18= 7+81= 48-30= 86+7= 34+16= 93-80= 84-60= 7+83= 68-20= 2+11= 10+73= 41+6= 88-40= 86-80= 25+4= 38-30= 59-10= 7+75= 30+69= 44-10= 72+7= 6+85= 12+48= 51+7= 85-10= 82-40= 48-20= 59+10= 20+33= 24+7= 20+78= 7+11= 70+10= 4+55= 64-40= 7+77= 6+41= 59-40= 32+10= 22-10= 6+69= 20+36= 1+63= 10+63= 63-10= 16+6= 3+33= 69+3= 4+79= 22+20= 51-50= 4+82= 67-10= 19+9= 76+1= 57+40= 82-50= 25+10= 96+3= 63-20= 5+77= 85-40= 52+30= 10+90= 49-20= 36+1= 89-20= 6+50= 65+5= 53+40= 72+27= 9+25= 8+11= 20+12= 80-30= 5+75= 8+24= 29+30= 29-20= 6+94= 78+4= 91+9= 30+35= 40+27= 20+5= 50+12= 25+6= 10+19= 97-40= 60+26= 6+76= 27+8= 54-50= 53-20= 6+74= 50+15= 74+1= 70+18= 78-10= 41+8= 9+49= 5+16= 49+1= 37+60= 80+13= 83-10= 91+9= 94-30= 86-50= 8+34= 8+62= 69+9= 95-20= 69+9= 65-50= 2+28= 68-50= 85-60= 1+88= 20+59= 85-40= 77+20= 36+4= 85-10= 5+67= 12+30= 29+30= 1+16= 6+14= 50+39= 9+90= 51-50= 4+68= 30+45= 34+1= 2+94= 37+9= 8+82= 55+40= 28+40= 89-70= 25+30= 42-30= 97-80= 7+41= 86-10= 47+8= 16+70= 79-70= 82-60= 20+31= 71-50= 28+60= 38+40= 46-20= 9+84= 75+8= 64+2= 96-90= 64-10= 50+17= 92-30= 97-20= 11-10= 50+3= 62-40= 60-50= 34+34= 93-70= 7+86= 10+72= 39+3= 96-10= 67-20= 6+73= 3+86= 76-60= 70+11= 2+33= 40+24= 4+43= 95-60= 63-10= 15-10= 28+40= 89-70= 25+30= 42-30= 97-80= 1+60= 67-50= 5+39= 61-50= 74-60= 10+77= 30+61= 95+1= 83-30= 81+4= 22+20= 51-50= 4+82= 67-10= 19+9= 48-20= 25+70= 55-50= 1+64= 62+3= 9+32= 93+2= 30+3= 88+3= 27+4= 91+5= 2+21= 78-60= 50+41= 2+27= 88-50= 5+19= 55+8= 80+3= 24+50= 32+1= 40-40= 90+4= 88-50= 6+16= 8+81= 93-20= 5+54= 50+21= 3+85= 20+52= 10+41= 60+21= 9+46= 66-20= 1+86= 36-10= 36-20= 20+41= 84-20= 96-60= 12+8= 40+37= 19+60= 16+9= 18+80= 40+41= 95+5= 48-20= 50+43= 50+11= 9+52= 24-10= 29+29= 2+69= 4+35= 57-20= 19+80= 38+20= 68-50= 2+72= 43-20= 86-70= 50+26= 49+2= 40+28= 76+20= 20+9= 5+35= 55+5= 10+25= 74-70= 49+1= 20+13= 50+18= 75-40= 66+3= 38-10= 4+10= 77+2= 41-30= 4+25= 32-30= 12+84= 5+89= 10+86= 14+50= 52-50= 7+30= 91-70= 72-20= 78+10= 9+38= 21+40= 17+30= 83+10= 90-90= 5+21= 91-80= 55-10= 6+94= 78+4= 91+9= 30+35= 40+27= 6+73= 3+86= 76-60= 70+11= 2+33= 80+13= 83-10= 91+9= 94-30= 86-50= 8+34= 8+62= 69+9= 95-20= 69+9= 65-50= 2+28= 68-50= 85-60= 1+88= 20+59= 85-40= 77+20= 36+4= 85-10= 5+67= 12+30= 29+30= 1+16= 6+14= 65-50= 22+28= 68-50= 85-60= 7+88= 10+26= 5+61= 94-20= 73-50= 98-30= 94-80= 44-10= 88-70= 13+9= 30+58= 20+59= 85-40= 77+20= 36+4= 85-10= 5+67= 12+30= 29+30= 14+16= 6+14= 63-50= 50+45= 68-20= 12+38= 83+3=