小學(xué)二年級數(shù)學(xué)上冊口算題

3+24= 69-34=48+46+4= 41+29= 38+36= 3+22+68= 62+12= 78-28= 73+9+16=36+31= 66-41= 61+2+18=35-17= 75-34= 39+37+3= 72-19= 69-32 2+39+16= 75-55= 71-43= 81+1+6= 口算練習(xí)56+25= 39+18+2=66-39= 44+29= 45+22+19= 82-48= 32-18= 13+5+35= 69-39= 69+16= 63+17+9= 49-22= 43+29= 39+29+19= 51+29= 69+12= 33+29+19= 52+35-61=44+17+33=67-64= 67-34=67+17+3= 43+17= 90-46= 8+26+34= 44+17= 33-13= 31+25+35= 80-46= 63+19= 29+16+36= 35+29= 68-22= 46+17+13= 90-65=80-66= 39+27+3= 72-17= 95-66= 36+29+16= 0-31= 57+18= 73+26+4= 57+26= 82-17= 45+16+29= 50-29= 74-65= 32+23+39= 92-27= 76-38= 46+25+5= 54+29= 80-28= 29+36+24= 59+25= 51+39= 36+13+27= 34+33= 17+49= 46+53+7= 85-39= 56+26= 29+28+39= 83-35= 56-49= 27+35+28= 94-39= 54-15= 34+29+18= 74-39= 70-24= 45++39= 80-46= 72-52= 38+36+19= 68+17= 49+37=39+37+19= 81-28= 65-16= 39+16+19= 56+29= 53+29= 口算練習(xí)53+19+13= 36+3= 50-31= 45+27+3= 51-48= 46+13= 29+38+24= 68+15= 67+13= 29+28+35= 64+29= 81-22= 28+16+19= 29+65= 43+19= 36+39+18= 91-65= 24+29= 39+18+22= 67+26= 63-27= 46+36+18= 99-73= 90-36= 48+13+27= 68-55= 85-26= 12+17+13= 67-37= 25+28= 65+21+9= 80-57= 44+36= 37+16+24=28+23= 59+16= 73+17+3= 62+19= 91-24= 46+29+16= 79-65= 45+19= 2+19+35= 47+23= 56+18= 29+32+8= 82-19= 39+25= 29+23+15= 82-17= 56+29= 53+29= 92-38= 38+54+19= 46+26= 90-14= 34+60+10= 40+15= 96-13= 4+16+44= 45+30= 69+19= 58+3+7= 70-6= 37-29= 33+59+19= 61-35= 11+49= 13+46+24= 59+21= 39+34= 32+34+26= 39+26= 97-39= 39+35+18= 66+14=71-13= 53+8+12= 43+28= 24+19= 16+58+12= 46+39= 91-75= 25+26+4= 口算練習(xí)72-46= 16+27= 38+37+13= 28+62= 39+32= 45+15+15= 18+25= 48-4= 34+5+5= 16+72= 80-54= 13+16+54= 44+16= 24+18= 54+21+9= 42+29= 42+16= 17+28+28= 13+41= 23+11= 55+31+9= 73-71= 90-35= 45+33+7= 57+28= 73+11= 86+8+2= 36+22= 22+19= 89+1+9=57-2= 96-70= 56+33+7= 48-39= 55+27= 86+8+2= 66-6= 25+23= 2+80+10= 52+12= 22-22= 62+27+3= 14+27= 66+13= 69+20+10=49-12= 72+5+5= 27+29= 94-56 = 12+9+