Question

ajutor va rog!!! e urgent!! dau 100p!!coroana + inimi!!!
Multumesc mult!!!
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Answer 1

Răspuns:

Explicație pas cu pas:

1)

B= 0,75

-

2)

11

-

3)

1¹/₃+1/6= ²⁾4/3+1/6=8/6+1/6=9/6=3/2

A=3/2

-

4)

a+b=180⁰

78+b=180

b=180-78

b=102⁰

D= 102⁰

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5)

(-1)²⁰¹⁷ +(-1)²⁰¹⁸=-1+1=0

D=0

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6)

-3x≤9

-x≤9/3

-x≤3

x≥-3

X∈Z

x={ -3,-2,-1,0,1,2 ...} (B)

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7)

6=2*3

8=2³

............................

c.m.m.mc= 2³*3=8*3=24

B=24