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Opreastefanya
a fost răspuns

calculeaza respectand regulile invatate 7+7:7x(7-7:7)x7:7=

Răspuns :

7+7:7x(7-7:7)x7:7= 7 + 1 x ( 7 - 1) x 7 : 7 = 7 + 6 x 7 : 7 = 7 + 42 : 7 = 7 + 6 = 13

Răspuns:

7+7:7×(7-7:7)×7:7=

=7+1×(7-1)×1=

=7+1×6×1=

=7+6×1=

=7+6=

=13

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