Toán Lớp 7: (-2/3) mũ 2 -|-5/6|+(-4/17) mũ 0:-18/5
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Toán Lớp 7: (-2/3) mũ 2 -|-5/6|+(-4/17) mũ 0:-18/5
Comments ( 2 )
=(-2)^2/3^2-5/6+1. -5/18
=4/9-5/6-5/18
=8/18-15/18-5/18
=[8-15-5]/18
=-12/18
=-2/3