Question

Repede va roggg dau coroanaaaa
Ex 3,4,5,6 - prima teza
Clasa a 5-a

Answer 1

3.

(x-2³)÷3²=1⁴

(x-8)÷9=4 /×9

x-8=36 /+8

x=44

4.

x÷4=7 => x=28 => r<4 => r=0,1,2,3

x=7×4+0=28

x=7×4+1=29

x=7×4+2=30

x=7×4+3=31

S=28+29+30+31=118

5.

24.145 --> 20.000

6.

5×(48÷3-11)=

5×5=

25