Question

30:5×....=54
35:5×....=21
16:....×7=56
36:...×9=81​

Answer 1

Răspuns:

30:5x...=54

6x9=54

35:5x...=21

7x3=21

16:...x7=56

16:8x7=56

36:..x9=81

36:4x9=81

Explicație pas cu pas:

Answer 2

Explicație pas cu pas:

30:5×a=54

6×a=54

a=54:6

a=9

v:30:5×9=54

35:5×a=21

7×a=21

a=21:7

a=3

v:35:5×3=21

16:a×7=56

16:a=56:7

16:a=8

a=16:8

a=2

v:16:2×7=56

36:a×9=81

36:a=81:9

36:a=9

a=36:9

a=4

v:36:4×9=81