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a fost răspuns

[450:5:(3×6)+35]×7-140+(540:60+7)×(63:9)

Răspuns :

[450 : 5 : (3 · 6) + 35] · 7 - 140 + (540 : 60 + 7) · (63 : 9) =

= (90 : 18 + 35) · 7 - 140 + (9 + 7) · 7 =

= (5 + 35) · 7 - 140 + 16 · 7 =

= 40 · 7 - 140 + 112 = 280 - 140 + 112 = 140 + 112 = 252.


/rfd

=(90;18+35)x7-140+16x7

=40x7-140+16x7

=280-140+112

=252