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efectuează calculul.
a) 10+4x3²-7x5-(3+2³)
B) 2017-{[42-(5²x14-85x4)x2]x3+2la puterea 6}
c) (10²-7²+5⁴)x(223+1la puterea 1500

Răspuns :

Slavitescudora
a) 10+4×9-35-(3+8)=10+36-35-11=11-11=0
b) 2017-{[42-(25×14-340)×2]×3+64}=2017-{[42-(350-340)×2]×3+64}=2017-{[42-10×2]×3+64}=2017-{[42-20]×3+64}=2017-{22×3+64}=2017-{66+64}=2017-130=1887
c) (100-49+625)×(223+1)=676×224=151424

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