Question

二十三分之七乘0.75加四分之三乘二又二十三分之十六加一减25%的差？

Answer 1

二十三分之七乘0.75加四分之三乘二又二十三分之十六加一减25%的差
=7/23×3/4+3/4×2又16/23+3/4
=3/4×(7/23+2又16/23+1)
=3/4×(2又23/23+1)
=3/4×4
=3

Answer 2

7/23 x0.75 +3/4 x2又16/23 +1 -25%
=7/23x0.75+0.75x62/23 +1 -0.25
=0.75x（7/23+62/23）+1-0.25
=0.75x69/23 +1-0.25
=0.75x3 +1-0.25
=2.25+1-0.25
=3