100以内进位加法及退位减法练习表
39+21= 38+12= 57+16= 36+29= 15+68= 54+26= 13+78= 22+49= 21+69=
59+14= 28+19= 47+9= 56+17= 25+45= 14+39= 23+67= 32+58= 75-39=
69+17= 58+24= 17+35= 86+4= 35+37= 24+57= 33+49= 96-38= 83-49=
9+42= 78+17= 27+58= 76+16= 45+29= 34+48= 74-17= 82-58= 98-19=
19+35= 18+53= 67+13= 16+58= 65+16= 75-36= 81-27= 65-28= 61-29=
29+49= 48+25= 77+17= 26+45= 91-35= 61-26= 93-47= 71-18= 87-59=
9+33= 78+8= 7+84= 93-24= 73-65= 93-46= 96-67= 53-28= 94-79=
79+8= 68+16= 61-23= 81-14= 52-15= 72-56= 42-17= 77-48= 52-39=
39+16= 71-32= 82-43= 72-44= 84-25= 84-66= 55-37= 94-78= 96-69=