简便运算.102x13 44x125 800÷25
问题描述:
简便运算.102x13 44x125 800÷25
答
只要结果还是要过程0过程第一题:=(100+2)x13 =100x13+2x13 =1300+26 =1326第二题:=(40+4)x125 =40x125+4x125 =5000+500 =5500第三题:=800÷(4x4) =800÷4÷4 =200÷4 =50