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Calculeaza : a) 7+7•231 b)2+3•[5+2•(18-8:2)]
Dau coroana :)


Calculeaza A 77231 B23521882 Dau Coroana class=

Răspuns :

7 + 7×231 =

7 + 1.617 = 1.624

2+3×[ 5+2× ( 18 - 8 : 2 )] =

2+3×[ 5+2×( 18 - 4 ) =

2+3×( 5+2×14 ) =

2+3×( 5+ 28 ) =

2+3×33 =

2+ 99 = 101