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

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Solution

$2 y + 7$
$2 y - 7$
$7 y + 2$
$7 y - 2$

$y + (2 - 7)$
$y + 2.7$
$y + \frac{2}{7}$
$y + (7 - 2)$

$y + \frac{7}{2}$
$y - (2 + 7)$
$y - 2.7$
$y - \frac{7}{2}$

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Similar questions

(a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.

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

Question 6(ii)

Form expressions using y, 2 and 7. Every expression must have y in it.Use only two operators out of addition,multiplication,subtraction and division.

Q. Form expressions using

t

and 4. Use not more than one number operation. Every expression must have

t

in it.

Question 6(i)

Form expressions using t and 4. Don't use more than one operator. Every expression must have t in it.

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.

(Hint: Three possible expressions are 5 + (8 − 7), 5 − (8 − 7), (5 × 8) + 7;

make the other expressions.)

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

2y+72y−77y+27y−2y+(2−7)y+2.7y+27 y+(7−2) y+72y−(2+7) y−2.7 y−72

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

$2 y + 7$
$2 y - 7$
$7 y + 2$
$7 y - 2$

$y + (2 - 7)$
$y + 2.7$
$y + \frac{2}{7}$
$y + (7 - 2)$

$y + \frac{7}{2}$
$y - (2 + 7)$
$y - 2.7$
$y - \frac{7}{2}$