Question

Calculati pe a din:
a) 10 x 3 : a = 6
4 x 6:a=3
2 x 10 : a = 5
6 x 6:3=4
b) 42:7 xa= 30
36: 6 x 4 = 54
27: 9xa= 12
48: 6x a= 40
c) 32 : 4x a = 56
40 : 8 x a=30
45 : 5 x 3= 63
81:9 x 3 = 72​

Answer 1

Salutare!:)

10×3:a=6

30:a=6

a=30:6

a=5

4×6:a=3

24:a=3

a=24:3

a=8

2×10:a=5

20:a=5

a=20:5

a=4

6×6:3=36:3=12

42:7×a=30

6×a=30

a=30:6

a=5

36:6×4=6×4=24

27:9×a=12

3×a=12

a=12:3

a=4

48:6×a=40

8×a=40

a=40:8

a=5

32:4×a=56

8×a=56

a=56:8

a=7

40:8×a=30

5×a=30

a=30:5

a=6

45:5×3=9×3=27

81:9×3=9×3=27

Succes!