2.74×6.5-27.4+4.5×2.74怎样计算递等式_数学解答

2.74×6.5-27.4+4.5×2.74怎样计算递等式

人气：297 ℃　时间：2020-09-08 17:00:48

解答

2.74×6.5-27.4+4.5×2.74
=2.74（6.5+4.5）-27.4
=2.74*（10+1）-27.4
=27.4+2.74-27.4
=2.74