Câu hỏi Toán lớp 6

The set of factors of 12 is:

• {1; 2; 3; 4; 6; 12}

• {2; 3; 4; 6; 12}

• {1; 2; 3; 4; 6}

• {2; 3; 4; 6}

The result of the calculation (-5) + (-8) is:

• 3

• -3

• 13

• -13

The opposite of the number -7 is:

• 7

• -7

• 0

• No opposite number

A right angle measures:

• 45 degrees

• 60 degrees

• 90 degrees

• 180 degrees

Which fraction is equal to the fraction 2/3?

• 4/5

• 6/9

• 8/10

• 10/15

Which numbers are multiples of 3?

• 6

• 9

• 12

• 15

• 18

Which calculations result in a negative integer?

• (-5) + 3

• 7 - 10

• (-2) x 4

• 6 : (-3)

The smallest prime number is ...

A straight angle measures ... degrees.

If a is divisible by 3