Question

1 Calculează în
două moduri.
a) (64 + 16):8
b) (54 + 27):9
c) (36 + 24):6
d) (28 +35):7
e) (12 + 16 + 8): 4
f) (10 + 15 + 20): 5
​

Answer 1

a)1.(64+16):8=80:8=10

64+16=80

2.(64+16):8=8+2=

64:8=8

16:8=2

b)1.(54+27):9=81:9=9

54+27=81

2.(54+27):9=6+3=9

54:9=6

27:9=3

c)1.(36+24):6=60:6=10

36+24=60

2.(36+24):6=6+4=10

36:6=6

24:6=4

d)1.(28+35):7=63:7=9

28+35=63

2.(28+35):7=4+5=9

28:7=4

35:7=5

e)1.(12+16+8):4=36:4=9

12+16+8=36

2.(12+16+8):4=3+4+2=9

12:4=3

16:4=4

8:4=2

f)1.(10+15+20):5=45:5=9

10+15+20=45

2.(10+15+20):5=2+3+4=9

10:5=2

15:5=3

20:5=4

Succes la școală!Și poți să mi dai coroana?

Answer 2

Răspuns:

(64 + 16):8=80:8=10

(64 + 16):8=64:8+16:8=8+2=10

(54 + 27):9=81:9=9

(54 + 27):9=54:9+27:9=6+3=9

(36 + 24):6=60:6=10

(36 + 24):6=36:6+24:6=6+4=10

(28 +35):7=63:7=9

(28 +35):7=28:7+35:7=4+5=9

(12 + 16 + 8): 4=36:4=9

(12 + 16 + 8): 4=12:4+16:4+8:4=3+4+2=9

(10 + 15 + 20): 5=45:5=9

(10 + 15 + 20): 5=10:5+15:5+20:5=2+3+4=9