Question

obliczcie :

(2 i 1/4-1 i 2/3):(1/6+2/9

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Answer 1

(2 1/4 - 1 2/3):(1/6+2/9)=2 3/12 -1 8/12:1/6 + 2/9 = 7/12 : 12/18 = 7/12 * 18/12 = 42/48 = 2/8

 

Myślę, że pomogłam :)