Question

2.Efectuati:
a) 36+ 4 x 7 =
37 - 4x9=
60- 4 x 4 =
62 +4 x 9 =
b) 56 - 3 x 8 =
42 + 4 x 5 =
80 - 4 x 6 =
28 + 3 x 7 =​

Answer 1

Explicație pas cu pas:

a.36+4•7=

36+28=

64

37-4•9=

37-36=

1

60-4•4=

60-16=

44

62+4•9=

62+36=

98

b.56-3•8=

56-24=

32

42+4•5=

42+20

62

80-4•6=

80-24=

56

28+3•7=

28+21=

49

Answer 2

Răspuns:

a)36+4×7=36+28=64

37-4×9=37-36=1

60-4×4=60-16=44

62+4×9=62+36=98

b)56-3×8=56-24=32

42+4×5=42+20=62

80-4×6=80-24=56

28+3×7=28+21=49