小学一年级数学(下)口算题(十二) 6+93= 69-24= 50+45= 20+60= 58-26= 99-90= 81-2= 16+38= 81-63= 17-6= 100-45= 39+41= 55+39= 68+23= 44+28= 17+44= 63+31= 2+84= 85-27= 21+60= 93-60= 75-74= 46-11= 25+65= 13+53= 51-40= 2-2= 35+17= 44+27= 17+54= 10-7= 51+26= 73-7= 50+18= 66+5= 56-21= 16+82= 45+21= 51+4= 47-23= 94-53= 90-16= 66-39= 55-31= 75+24= 82-15= 31+20= 41+44= 71+20= 51+26= 81-63= 17+54= 58-45= 95-73= 31-13= 10+77= 24+41= 48+44= 80-79= 60-3= 37+13= 33+27= 8+63= 57+12= 67-26= 77-5= 57+9= 68-16= 39+41= 73-7= 68+23= 44+27= 17-6= 35-27= 86-56= 25-13= 79-28= 23+69= 8+56= 41-36= 93-88= 65-31= 8+57= 5+80= 26+70= 82-1= 62+4= 39+28= 10-7= 58-45= 55+39= 71+20= 100-45= 52-49= 17-5= 32+35= 27-1= 45+21= 61-34= 42+47=