Question

Tính nhẩm:

6 x 6 = .....       63 : 7 = .....       7 x 5 = .......       6 x 7 = .....

7 x 7 = .....       48 : 6 = .....       35 : 7 = .....       42 : 6 = .....

5 x 5 = .....       49 : 7 = .....       35 : 5 = .....       42 : 7 = .....

Answer 1

6 x 6 = 36       63 : 7 = 9       7 x 5 = 35       6 x 7 = 42

7 x 7 = 49       48 : 6 = 8       35 : 7 = 5       42 : 6 = 7

5 x 5 = 25       49 : 7 = 7       35 : 5 = 7       42 : 7 = 6

Answer 2

6 x 6 = .36....       63 : 7 = 9.....       7 x 5 = .35......    6 x 7 = ..42...

7 x 7 = ..42...       48 : 6 = ..8...       35 : 7 = ...5..       42 : 6 = ..7...

5 x 5 = ...25..       49 : 7 = .7....       35 : 5 = ...7..       42 : 7 = ..6...

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