Question

Calculează, respectând ordinea efectuării operaţiilor:
a) 2:2 + 2 x 2-2
b) 5-5:5+ 5 x 5
3 + 3 3 + 3:3-3
6: 6 + 6 x 6-6
4 x 4 - 4:4 + 4
7-7:7 + 7 x 7​

Answer 1

Răspuns:

a)2÷2+2×2-2=

1+4-2=

5-2=3

b)5-5÷5+5×5=

5-1+5×5

4+25=29

3+33+3÷3-3=

36+3÷3-3=

39÷3-3=

13-3=10

6÷6+6×6-6=

1+6×6-6=

7×6-6=

42-6=36

4×4-4÷4+4=

16-4÷4+4=

12÷4+4=

3+4=7

7-7÷7+7×7=

0÷7+7×7=

0+7×7=

7×7=49

Answer 2

Răspuns:

a)2:2+2×2-2=

1+4-2=

5-2=

3

b)5-5:5+5×5=

5-1+25=

4+25=

29

c)3+3×3+3:3-3=

3+9+1-3=

12+1-3=

13-3=

10

d)6:6+6×6-6=

1+36-6=

37-6=

31

e)4×4-4:4+4=

16-1+4=

15+4=

19

f)7-7:7+7×7=

7-1+49=

6+49=

55