先计算,再比较大小.(问题见补充说明)!12x3+12x5/6=()比较大小:12x3+12x5/6()12x23/612x23/6=()11/4x47/7x4/11=()比较大小:11/4x47/7x4/11()11/4x4/11x47/711/4x4/11x47/7=()27x(2/3+4/9)=()比较大小:27x(2/3+4/9)()27x2/3+27x4/927x2/3+27x4

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先计算,再比较大小.(问题见补充说明)!12x3+12x5/6=()比较大小:12x3+12x5/6()12x23/612x23/6=()11/4x47/7x4/11=()比较大小:11/4x47/7x4/11()11/4x4/11x47/711/4x4/11x47/7=()27x(2/3+4/9)=()比较大小:27x(2/3+4/9)()27x2/3+27x4/927x2/3+27x4

先计算,再比较大小.(问题见补充说明)!12x3+12x5/6=()比较大小:12x3+12x5/6()12x23/612x23/6=()11/4x47/7x4/11=()比较大小:11/4x47/7x4/11()11/4x4/11x47/711/4x4/11x47/7=()27x(2/3+4/9)=()比较大小:27x(2/3+4/9)()27x2/3+27x4/927x2/3+27x4
先计算,再比较大小.(问题见补充说明)!
12x3+12x5/6=()
比较大小:12x3+12x5/6()12x23/6
12x23/6=()
11/4x47/7x4/11=()
比较大小:11/4x47/7x4/11()11/4x4/11x47/7
11/4x4/11x47/7=()
27x(2/3+4/9)=()
比较大小:27x(2/3+4/9)()27x2/3+27x4/9
27x2/3+27x4/9=()

先计算,再比较大小.(问题见补充说明)!12x3+12x5/6=()比较大小:12x3+12x5/6()12x23/612x23/6=()11/4x47/7x4/11=()比较大小:11/4x47/7x4/11()11/4x4/11x47/711/4x4/11x47/7=()27x(2/3+4/9)=()比较大小:27x(2/3+4/9)()27x2/3+27x4/927x2/3+27x4
12x3+12x5/6=(46)
比较大小:12x3+12x5/6(=)12x23/6
12x23/6=(46)
11/4x47/7x4/11=(47/7)
比较大小:11/4x47/7x4/11(=)11/4x4/11x47/7
11/4x4/11x47/7=(47/7)
27x(2/3+4/9)=(30)
比较大小:27x(2/3+4/9)(=)27x2/3+27x4/9
27x2/3+27x4/9=(30)