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Calculați cât mai simplu,;a)2×9×1-2×5=;b)32×17+32×11-38×8=;c)13×90+20×3-26×500=;d)12×25+50×13-75×9=;e)23×1000+200×3-26×500=;f)19000+2000-11000=;g)239×180-360×103-90=;h)505×6-101×12+202×5=

Răspuns :

Răspuns:

A) 2×9×1-2×5=

18×1-10

18-10=8

B)32×17+32×11-38×8

544+352-304=896-304=592

C)13×90+20×3-26×500

1170+60-13000=1230-13000=-11770

D)12×25+50×13-75×9=

300+650-675= 950-675=275

E)23×1000+200×3-26×500

=2300+600-13000

=2900-1300-10100

F)19000+2000-11000=

21000-11000=10000

G)239×180-360×103-90=

43020-37080-90

=5940-90

=5850

H)505×6-101×12+202×5=

=3030-1212+1010

=1818+1010

=2828

Explicație pas cu pas:

Mai simplu nu se poate!

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