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Make up as many expressions with numbers...

Make up as many expressions with numbers (no variables) as you can from three numbers 5, 7 and 8. Every number should be used not more than once. Use only addition, subtraction and in multiplication.
(Hint: Three possible expressions are 5 + (8 - 7), 5 - (8 - 7), (5 x 8) + 7, make the other expressions.)

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Make up as many expressions with numbers (no variables) as you can from three numbers 5,7 and 8. Every number should be used not more than once.Use only addition,subtraction and multiplication.

Solve the following expression : 8 3/7 + 6 1/5

Knowledge Check

  • How many three-digit numbers that are divisible by 5, can be formed, using the digit 0,2,3,5,7, if no digit occurs more than once in each number?

    A
    10
    B
    15
    C
    21
    D
    25

  • How many combinations of two-digit numbers having 8 can be made from the following numbers? 8, 5, 2, 1, 7,6

    A
    9
    B
    10
    C
    11
    D
    12

  • How many combinations of two digit number having 8 can be made from the following numbers? 8, 5, 2, 1, 7, 6 (

    A
    9
    B
    11
    C
    10
    D
    12

    • Similar Questions

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    7 increased by one-fifth of a number is 8. Write the expression and find the number.

    Find how many numbers between 100 and 999 can be formed with the digits 0,4,5,6,7,8, no digit being used more than once. How many of them are odd?

    Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

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