ĐÁP ÁN

Câu 1: "1"

Gợi ý:

The number that when multiplied by 2 gives 2

Câu 2: "5"

Gợi ý:

The number that when multiplied by 5 gives 25

Câu 3: "5"

Gợi ý:

The number that when multiplied by 4 gives 20

Câu 4: "3"

Gợi ý:

The number that when multiplied by 3 gives 9

Câu 5: "4"

Gợi ý:

The number that when multiplied by 2 gives 8

Câu 6: "4"

Gợi ý:

The number that when multiplied by 4 gives 16

Câu 7: "5"

Gợi ý:

The number that when multiplied by 5 gives 25

Câu 8: "2"

Gợi ý:

The number that when multiplied by 3 gives 6

Câu 9: "3"

Gợi ý:

The number that when multiplied by 4 gives 12

Câu 10: "2"

Gợi ý:

The number that when multiplied by 5 gives 10

Câu 11: "2"

Gợi ý:

The number that when multiplied by 2 gives 4

Câu 12: "5"

Gợi ý:

The number that when multiplied by 3 gives 15

Câu 13: "2"

Gợi ý:

The number that when multiplied by 4 gives 8

Câu 14: "4"

Gợi ý:

The number that when multiplied by 5 gives 20

Câu 15: "5"

Gợi ý:

The number that when multiplied by 2 gives 10