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Angi30
a fost răspuns

calculeaza a×b-c stind ca. a=50+9:9-45. b=3×(300-55×5)×2+3-(14÷7-5×0). c=35×2+45×3

Răspuns :

Pufycriss
a=50+9:9-45
a=50+1-45
a=51-45
a=6

b=3×(300-275)×2+3-2
b=3×25×2+3-2
b=75×2+3-2
b=150+3-2
b=151

c=35×2+45×3
c=70+135
c=205

a×b-c=6×151-205=906-205=701

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