Question

2. Află numărul necunoscut:
a) 60÷10÷a=2×3
b) 9÷3×b=24
c) c÷(3+2)=7
d) d×(36÷6)=42​

Answer 1

a)60:10:a=2•3
60:10:a=6
6:a=6
a=6:6
a=1

b)9:3•b=24
3•b=24
b=24:3
b=8

c)c:(3+2)=7
c:5=7
c=7•5
c=35

d)d•(36:6)=42
d•6=42
d=42:6
d=7

Answer 2

Răspuns:

Salut!

a) 60:10:a=2x3

6:a=6

a=1

b) 9:3xb=24

3xB=24

b=24:3

=8

c) c:(3+2)=7

c:5=7

c=5x7

c=35

d) Dx(36:6)=42

Dx6=42

d=42:6

d=7

Cu plăcere