Question

Va roooggg
dau coroana!​

Answer 1

Răspuns:

7:7+7×7-7:7+7-7×7-7=

1+49-1+7-49-7= 50-8-42= 42-42= 0

(24:3×6+9×4:3+15×2):10+9:9=

(8×6+36:3+30):10+1= (48+12+30):10+1= (60+30):10+1= 90:10+1= 9+1= 10

(100-28):9×(12:6+5)=

72:9×(2+5)= 8×7= 56

(15+5×5):10+(7×5-30:6)=

(15+25):10+(35-5)= 40:10+30= 4+30= 34

Answer 2

Răspuns:

a.

=1+49-1+7-49-7

=0

b.

=(8×6+36:3+30):10+1

=(48+12+30):10+1

=90:10+1

=9+1

=10

c.

=72:9×(2+5)

=8×7

=56

d.

=(15+25):10+(35-5)

=40:10+30

=4+30

=34