一年级两位数不进位不退位加减法 30+42= 20+28= 95-54= 96-80= 53-12= 86-81= 37-34= 34+32= 95-80= 40+23= 84-53= 87-31= 44+30= 68-65= 16+50= 23+65= 33-20= 33+62= 77-62= 21+68= 74-22= 24+12= 98-45= 98-37= 24+50= 15+21= 58-52= 85-31= 42+44= 36-11= 26-23= 12+61= 68-47= 48-46= 29-20= 35+40= 15+70= 85-32= 11+47= 86-64= 11+18= 96-35= 94-41= 67-61= 88-40= 45+12= 30+45= 33+23= 22+24= 21+37= 33-30= 14+85= 41+31= 68-53= 14+30= 58+40= 79-15= 99-53= 25+12= 23+21= 15-12= 95-31= 40+43= 57-36= 93-31= 65-13= 25+13= 22+66= 30+69= 88-70= 45+31= 21+35= 96-74= 48-44= 30+53= 88-41= 64+23= 85-84= 47-44= 11+63= 57+41= 66+22= 69-14= 88-46= 68+11= 43-32= 11+46= 28+40= 53+12= 20+30= 89-51= 71+27= 31+33= 63-52= 62-21= 95-12= 53+35= 39-18= 52-20= 65-64= 99-15= 54+30= 21+12= 95-32= 16+13= 87-76= 85-24= 43-41= 32+41= 85-83= 83-82= 51+37= 12+54= 67+32= 26+42= 97-55= 12+85= 56-31= 85-22= 69-14= 47-33= 87+11= 56-11= 15+23= 40+24= 36+22= 93-92= 20+64= 33+65= 15+32= 33+53= 39-34= 66-21= 68-11= 20+48= 27+22= 59-37= 25-12= 26+70= 85-63= 85-42= 一年级两位数不进位不退位加减法 36-11= 33+30= 28+11= 43-31= 26+43= 77-75= 54-43= 70+26= 77-24= 35-14= 71+25= 28-23= 61+27= 44-31= 34+21= 77-42= 41+53= 98-33= 16-14= 94-43= 78-60= 58-41= 75-70= 28-23= 31+47= 68-36= 73+20= 58-27= 11+65= 22+24= 65-63= 44+34= 12+30= 44+31= 78-56= 15+24= 63-60= 40+13= 88-33= 44+54= 53+43= 46+13= 63-32= 98-87= 94-60= 76-75= 25+71= 99-40= 71+11= 39-27= 32+12= 35+41= 83...