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Husarciucgabriel
a fost răspuns

rog urgent (1/49+1/7):3/343+(1/7)^2:(2/7)^3-(1/2)^3

Răspuns :

Răspuns:

Explicație pas cu pas:

(1/49+1/7):3/343+(1/7)²:(2/7)³-(1/2)³=8/49×343/3+1/49×343/4-1/8=

=8×7/3+7/4-1/8=(56×6+6x7-3)/24=(336+42-3)/24=375/24=125/8=(5/2)³

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