Question

Calcule mentalmente 7•14 12•6 8•15 19•5 3•17 16•4

Answer 1

7.14 = 98

14

x7

-----

98

12.6 = 72

12

x 6

---

72

8.15 = 120

15

x 8

-----

120

19.5 = 95

19

x 5

-----

95

3.17= 51

17

x3

---

51

16.4 = 64

16

x 4

-----

64

Answer 2

Resposta:

obrigado me ajudou muito