100 以内整十数减整十数的加法口算练习题(1) 18+19= 29+12= 14+48= 35+47= 39+24= 46+27= 69+45= 46+34= 9+88= 12+42= 57+34= 37+45= 42+39= 37+48= 56+36= 47+45= 18+38= 42+29= 41+29= 76+19= 28+63= 39+48 50+50= 28+39= 26+47= 43+28= 39+11= 46+10= 29+38= 37+47= 27+63= 38+25= 17+28= 19+71= 46+31= 34+36= 36+28= 53+19= 39+28= 89+8= 43+36= 28+38= 14+79= 21+48= 18+22= 28+32= 59+39= 16+27= 26+28= 41+46= 100 以内整十数减整十数的减法口算练习题(2) 90-57= 89-74= 88-18= 59-37= 58-26= 74-45= 99-57= 81-67= 99-47= 42-38= 68-57= 74-37= 74-67= 80-56= 62-56= 92-78= 17-8= 84-77= 92-77= 18-8= 76-48= 90-37= 99-36= 40-37= 96-15= 67-19= 72-14= 93-87= 91-16= 36-34= 66-18= 61-44= 64-28= 60-57= 92-58= 67-59= 63-25= 42-39= 93-66= 78-38= 43-36= 79-26= 92-68= 71-39= 64-38= 41-27= 96-47= 89-48= 81-48= 72-26= 100 以内整十数减整十数的加法口算练习题(3) 13+9= 9+12= 0+41= 5+82= 7+51=