Answers

2016-07-03T15:15:06+08:00
{[-4 -(-4)] divided by -4 }- (-4)= [{[-4+4} divide -4] +4=
[0 divide 4 ] +4=4..

so there are already 4 0f -4..my previous answer has the same solution and answer, i made a hard time to do it, because i'm using  iphne..i think it sounds clear..ty
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