How many different three-digit numbers, algorithms and third-grade mathematics can be formed by choosing three of the four digital cards in 2705? - Training Enrollment Network

How many different three-digit numbers, algorithms and third-grade mathematics can be formed by choosing three of the four digital cards in 2705?

Choose three of the four digital cards in 2705, how many different three digits can be formed?

There are three kinds of percentages: 2, 5 and 7.

Ten people take three kinds from the remaining three.

There are two types of units taken from the remaining 2 sheets of paper.

3x3x2= 18

It can form 18 different three digits.

205,207,250,257,270,275

502,507,520,527,570,572

702,705,720,725,750,752

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