Question

DOAR EX 1 VA ROGGGGGGGGGGGGG

Answer 1

Explicație pas cu pas:

a) (2^3 x 3^2 - 6^2) : 2^2 + 2=

= (8 x 9 - 36) :4 +2

= (72-36) :4+2=

=36:4+2=

=9+2=

=11

b) [(15^2 :5 -3^2) +12]:6=

=[(225:5-9) +12]:6=

=[(45-9) +12]:6=

=[36+12]:6=

=48:6=

=8

c) [(2^3)^4:(2^5) ^2+(5^3)^7:(5^4)^5]:3-3=

=[2^12 : 2^10+5^21:5^20]:3-3=

=[2^12-10 + 5^21-20]:3-3=

=[2^2 + 5^1]:3-3=

=[4+5]:3-3=

=9:3-3=

=3-3=

=0

d) 3^2 x 5 - 2^4:2=

=9 x 5 -16:2=

=45-8=

=37

e) 3x (5^2-4^2) -6=

=3x (25-16) -6=

=3x 9 -6=

=27-6=

=21