Question

Ajutatimaaa va rog 100 de puncte

Answer 1

Răspuns:

Ex 1. 1 5/16

2. 0.35

3. 1 cm

Ex 2

2. 9.8

3. D

Ex 3

1. 60 si 12

2. 2.6

3. A 13.5 dam

Explicatie

Ex 1.15:12=0,41

5:16=0.31

2. 7:20=0,35

3. 0.25*4=1 cm

Ex2

2. 3,5*2,8=9.8

3. In fiecare doua puncte o dreapta = cu 8

Ex 3

1.a-b=48

A=5b

5b-b=48

4b=48

B=48:4=12

A=5*12=60

60-12=48

2.(0,5+2,4+5,28+2,22):4=2.6