二年级数学加减乘法混合运算练习题67+14=71-13=53+8+12=43+28=24+19=16+58+12=46+39=91-75=25+26+4=72-46=16+27=38+37+13=28+62=39+32=45+15+15=18+25=48-4=34+5+5=16+78=80-54=19+16+58=44+19=24+18=54+29+9=42+29=42+16=17+28+28=13+49=23+18=55+39+9=73-39=90-35=45+38+7=57+28=73+19=86+8+2=36+22=22+19=89+15-39=57-48=96-77=56+39=48-39=55+27=86+8+2=66-39=25+28=23+18-19=52+12=22-28=62-27+36=14+27=66+18=69+24-18=41-12=76+18=27+29=94-56=12+9+41=44-18=63-17=14+29-28=15+69=42-27=33+18+38=49+39=76+16=77+21+9=97-83=71-59=86+7-34=76-65=63-38=64+18-15=57+15=54+17=89+8-38=73-52=69+17=59+30+10=53+17=63-7=40+29+1=69+15=1×1+1=2×2+2=3×4+10=4×4+5=3×4+8=5×1+9=4×2+6=5×3+9=5×4+7=3×6+6=2×9+9=5×4+7=1×1+2=1×1+3=2×3+2=2×4+2=2×7+2=3×5+3=3×6+4=6×3+3=6×4+3=6×5+3=6×2+8=4×5+5=4×6+5=4×2+9=4×5+8=5×3+6=5×5+6=5×4+7=5×9+6=1×9+2=1×8+3=1×7+6=3×9+3=3×4+10=3×