珠心算100 以内加减法练习题 70-59= 15+59= 58+31= 16+56= 96-40= 62-47= 64-40= 58-14= 97-29= 65+27= 31+27= 46-11= 14+25= 58-33= 96-54= 61+20= 68-53= 60-31= 20+15= 46-21= 99-74= 70-67= 33+15= 98-92= 80-68= 73-52= 35-34= 91-78= 83-59= 69-10= 50-40= 69-51= 12+73= 89-13= 43-32= 15+76= 69-65= 100-33= 66-34= 76-51= 99-43= 91-57= 77-67= 55-36= 26-14= 62-34= 44-30= 25-17= 14+14= 78-67= 42-22= 31+31= 30+20= 77-34= 16+21= 63-16= 90-26= 45-35= 39+56= 39+29= 91-67= 73+16= 29+46= 52-10= 75-25= 31+60= 58-51= 71-20= 45-13= 95-60= 57+26= 50-44= 99-75= 36-31= 42-24= 10+23= 66-53= 52-27= 94-60= 72-16= 95-49= 31+50= 81-69= 90-38= 98-31= 100-56= 100-77= 62-10= 63-44= 56-54= 40+43= 14+51= 73-43= 79-59= 15+16= 12+20= 95-39= 49-24= 54-12= 80-65= 45+54= 30-16= 48-44= 45+24= 65-65= 22+71= 67+10= 74-65= 73-56= 97-83= 74+18= 10+6