Question

Dau coroana si inmate si 5 stele​

Answer 1

Răspuns:

(295+a):4=425

295+a=425×4

295+a=1700

a=1700-295

a=1405

(2400-c):7=302

2400-c=302×7

2400-c=2114

c=2400-2114

c=286

(5000-b):6=124

5000-b=124× 6

5000-b=744

b=5000-744

b=4256

(d-1300):4=25

d-1300=25×4

d-1300=100

d=1300+100

d=1400

Answer 2

Răspuns:

A. (295+a) : 4 = 425

295 + a

----------- = 425 / ×4

4

295 +a = 1700

a= 1700-295

a= 1405

B. (2400-c) :7 =302

2400-c

---------- = 302/×7

7

2400-c =2114

c=2114-2400

c=-286

C. (5000-b) :6=124

5000-b

-------------=124/×6

6

5000-b =744

b=744-5000

b=4256

D. (d-1300):4=25

d-1300

-----------=25/×4

4

d-1300=100

d= 100+1300

d=1400