你好 3.29+0.73-2.29+2.27=(3.29-2.29)+(0.73+2.27)=1+3=4 【数学辅导团】为您解答,如果本题有什么不明白可以追问,如果满意记得采纳祝学习进步!
3.29+0.73-2.29+2.27的简便计算?解,得:==(2.29+1)+0.73-2.29+2.27==1+(0.73+2.27)==1+3==4
(3.29-2.29)+(0.73+2.27)=1+3=4等于四啦