1/3.1/2+2/3.1/2+3/3.1/2+4/3.1/2+5/3.1/2+6/3.1/2=…

Question

huongtram · Answer

`1/3 . 1/2 + 2/3 . 1/2 + 3/3 . 1/2 + 4/3 . 1/2 + 5/3 . 1/2 + 6/3 . 1/2`     `=1/2.(1/3+2/3+3/3++4/3+5/3+6/3)`     `=1/2.7`     `=7/2`

mytam · Answer

`1/3` . `1/2` + `2/3` . `1/2` + `3/3` . `1/2` + `4/3` . `1/2` + `5/3` . `1/2` + `6/3` . `1/2`

= ( `1/3` + `2/3` + `3/3` + `4/3` + `5/3` + `6/3` ) . `1/2`

= (`(1+2+3+4+5+6)/3`) . `1/2`

= 7 . `1/2`

= `7/2`

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