Question 23210
1. {{{-2(x+4y-2)-(3-3y)}}}
{{{-2x-8y+4-3+3y}}}
{{{-2x-5y+4-3}}}
{{{-2x-5y+1}}}


2. {{{2x+3y-x+10-4(2-8x)+3xy+7xy}}}
{{{2x+3y-x+10-4(2-8x)+10xy}}}
{{{x+3y+10-4(2-8x)+10xy}}}
{{{x+3y+10-8+32x+10xy}}}
{{{33x+3y+10-8+10xy}}}
{{{33x+3y+2+10xy}}}


3. {{{836-(71-(54-46)) - 21}}}
{{{836-(71-8) - 21}}}
{{{836-63 - 21}}}
{{{836-84}}}
752


4. {{{2/3 - 7((3/7)+3)}}}
{{{2/3 - 7((3/7)+ (21/7))}}}
{{{2/3 - 7(24/7)}}}
{{{2/3 - 24}}}
{{{2/3 - 72/3}}}
{{{-70/3}}}


jon.