try these compleat with associative properties
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=3/7-6/11-8/21+5/22
=(66×3-6×42-8×22+5×21)/462
=-125/462
=-0.270
it is help you.....
=(66×3-6×42-8×22+5×21)/462
=-125/462
=-0.270
it is help you.....
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