(9 - 2 2\3 х 2 1\7) х 21\46= . Created by 1Демонесса1. matematika-ru

(9 - *)* = ( 9 - 5 ) * = 3 * = = 1 = 1,5

(9 - 2 2\3 х 2 1\7) х 21\46= ...

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(9 - 2 2\3 х 2 1\7) х 21\46=

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allegefickt (9 - $\frac{8}{3}$ * $\frac{15}{7}$ )* $\frac{21}{46}$ = ( 9 - 5 $\frac{5}{7}$ ) * $\frac{21}{46}$ = 3 $\frac{2}{7}$ * $\frac{21}{46}$ = $\frac{3}{2}$ = 1 $\frac{1}{2}$ = 1,5

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