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Phổ biến Word Problems >

Twice a number is 30

Lời Giải

Tw i ce a n u mb er i s 30

Lời Giải

The number : 15

Các bước giải pháp

Represent the number with

x

A.T.Q.:

2 x = 30

Giải

x, 2 x = 30 : x = 15

The number : 15

Ví dụ phổ biến

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