新版北师大三年级上册数学混合运算(脱式计算题)

三年级脱式计算题一

25+72+25 52+18+12 17+34+19 = = = = = = 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 49= = = = = = 61+12-23 72= = = = = = ×3 31+4×8+90 9+5÷7-5 48÷9-8 5×6 ×7 ÷6+9 ×6+20