Solve using suitable property
a)-1/2*3/7+3/2-3/7*1/4
b)4/5*(-2/3)-2/5*1/3+3/5*4/5
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Step-by-step explanation:
a)-1/2*3/7+3/2-3/7*1/4
=-3/14+3/2-3/28
=-6+42/28-3/28
=36/28-3/28
=33/28
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