# Q. 1.     Make up as many expressions with numbers (no variables) as you can from three numbers $\inline 5,7$ and $\inline 8.$  Every number should be used not more than once. Use only addition, subtraction and multiplication.(Hint: Three possible expressions are $5+(8-7),\ 5-(8-7), \ (5\times8)+7$ make the other expressions.)

M mansi

The  other expressions are :

(i)$(8\times 5)-7$

$(ii)(8+5)-7$

$(iii)(8+7)-5$

$(iv)(8\times 7)-5$

$(v) 5\times (7+8)$

$(vi) 5\times (7\times 8)$

$(vii) 5-(7+ 8)$

$(viii) 5+(8-7)$

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