Question

ajutaima va ror cu acest test dau coruana cari imi rezolava acest test​

Answer 1

1.

5/×=2/3;×=?

2x=5×3

2x=15

=>×=7,5

2.

a=4;4a+4=?

4×4+4=16+4=20

3.

2(x-8)+8<_16

2(x-8)<_8

x-8<_4

×<_12=>x={1,2,3,4,5,6,7,8,9,10,11,12}

4.

18 cm

5.

1m2 ?

6.

?-

Answer 2

1.

5/x=2/3

x=5*3/2=15/2=7,5

2.

a=4

4a+4=16+4=20

3.

2(x-8)+8<sau egal cu 16

2(x-8)+8= 2x-16+8= 2x-8

2x-8<16

2x<16+8

2x<24

x<12

x={0; 1; 2; ...;12}

4-nu stiu

5.

A=1m la a doua

A=latura*latura

A=1*1

latura este de 1 metru

6-nu stiu