In chapter Rational Numbers ex 1 .1 Q 5 first part in the eq -4/5*1 is 1*-4/5 is -4/5 why it is not writen that -4/5*1 is 1*-4/5 is -4/5 why not 1*-4/5 or -4/5*1
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Solution
You can write any of them since any number multiplied by one is the number itself.