小学一年级数学练习题 22-3= 12+16= 23-8= 14-7= 12-5= 8+15= 31-5= 24+7= 16-8= 19-5= 9+14= 22-9= 19-8= 14-9= 14-14= 24-9= 12-11= 25-6= 19-8= 22-14= 35+7= 12+8= 14+6= 14-9= 15+6= 18+10= 17+9= 50-3= 60-23= 30+16= 35+16= 42+38= 50-21= 35-30= 28+8= 36+20= 37+7= 57-8= 80-68= 17+80= 12+6= 29-7= 33+2= 3+40= 15+4= 23+5= 37+12= 25+50= 17+28= 41+28= 39+10= 50+21= 40+23= 22+11= 47+2= 5+34= 18+41= 11+20= 19+40= 12+17= 25+39= 12+20= 1+43= 29+16= 36+41= 19+8= 12+41= 19+40= 43+35= 33+33= 25+39= 22+27= 14+34= 36+8= 32+38= 1+26= 26+9= 45+7= 44+38= 39+38= 20+27= 16+34= 48+21= 34+21= 9+15= 19+36= 40+16= 3+16= 23+25= 36+12= 40+46= 12+17= 50+21= 1+19= 20+32= 43+12= 10+26= 50+11= 6+17= 20+17= 4+9= 49+33= 21+26= 28+24= 19+11= 1+8= 4+2= 4+7= 1+4= 6+2= 5+7= 5+8= 1+5= 5+1= 7+2= 3+2= 4+4= 2+8= 10+5= 2+4= 8+4= 2+2= 4+6= 9-3= 7+8=