3.29+0.73-2.29+2.27的简便计算?

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3.29+0.73-2.29+2.27的简便计算?

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,

(3.29-2.29)+(0.73+2.27)
=1+3
=4
等于四啦

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