Got to remember the saying "please excuse my dear aunt sally" for the order of operations. Calculator isn't smart enough to understand what you meant, this must have been a test question or something to get people that don't do the work and just use calculator's.
RE: What is answer of 6/2(2+1) ? 1 or 9 ?
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What is answer of 6/2(2+1) ? 1 or 9 ?