三年级口算题大全800题脱式加减乘除混合运算 25+72+25 52+18+12 17+34+19 61+12-23 = = = = = = = = 37-16+28 65+11-12 56-37+21 = = = = 38-25-11 48-22-21 87-35-49 = = = = 29+6×7 44+8= = = = 3×5+47 6= = = = 51+56÷7 7 = = = = 103+13×4 55+71= = 72÷9-8 = = = = 5×6+20 = = = = ×3 31+4×6 48÷6+9 = = = = ×8+90 9+5×7 49÷7-5 = = = = 26+68×6 85+57×6 52+69× = = = = ×3 87+26×3 75+35×5 = = = = = = 55+37×3 86+17×3 26+26×2 78+87×3 = = = = = = = = 23+52×7 = = = 88+28×3 99+28= = 66+27×2 = = 66+38×6 22+39= = = = 22+30×6 25+32= = 99+72×2 = 90+56×3 99+27×3 77+81×9 = = = = ×3 77+29×3 76+38×3 = = = = = = 99+29×2 66+85×6 = = = = ×6 88+37×1 = = ×3 77+28×3 = = = = 55+36×3 66+88×3 = = = = = = 88+35×3 121+63×6 55+86×3 = = = = = = 77+26×2 33+43= = 55+38×6 = = = = ×6 111+29 = = = = 33+69×3 ×3 本文来源：https://www.wddqw.com/doc/4e142acf83eb6294dd88d0d233d4b14e85243e73.html