1、一年级数学笔算练习题43+26= 77-25= 56+24-30= 32+56-17=8+65= 23+22= 90-58+24= 75-25+47=71-24= 37+40= 67-34+39= 95-38-27=18=37= 76-16= 32+55-46= 65-38+41=50-26= 58-40= 76-13=22= 89-13-29=16+78= 85-39= 54+18-41= 36+17+28=71+25= 42-17= 68-47+76= 94-23+24=37+27= 54+9= 63+35-17= 17+28+11=34+43= 55-26= 78-39+54= 43+2
2、7-19=72-18= 47-29= 53-38+19= 92-20+25=60-34= 46+19= 64+28-19= 38+14-27=56-47= 25-18= 71-18+34= 20+68-8=26+18= 41-17= 26+72-37= 60-12-34=81-18= 83-56= 93-51+27= 56-24+15=91-65= 73+25= 90-35+27= 62-35-5=40-28= 88-52= 18+26+36= 24+58-57=83-35= 41+9= 54-18+65= 73-18+26= 26+43= 60-42= 43-18+54= 12+27+35=53-7= 72-15= 72-18-31= 50-13+37=30+28= 63-27= 60-15+36= 86-49+24=
