小学二年级数学上册计算题89-37= 51-39= 52-27= 63-27= 48+23= 57-48= 54+29= 62+19= 86-54= 54+28= 27+36= 65-36= 84-48= 40-29= 48+48= 60+25= 56-28= 78-69= 72-37= 53+28= 54+37= 59+19= 55-47= 73+29= 98-56= 35+17= 60-38= 36-25= 42-19= 75-59= 24+38= 42-23= 44+39= 70+19= 16+23= 57-16= 62+12= 22+55= 46-28= 48-26= 72-54= 16+27= 43-27= 63+25= 76-37= 54-29= 79-64= 98-48= 56-36= 67-60= 85-50= 42-32= 69-31= 93-56= 23+32= 42-19= 137-25= 50+22= 62-48= 22+55= 86-45= 70-42= 72-54= 16+27= 40-12= 83-56= 76-37= 54-29= 64+36=
