using the properties of numbers find the value of 2/5×-2/7-1/12-3/7×2/5
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Step-by-step explanation:
- so A.t.Q 2/5×(-2/7)-1/12-3/7×2/5 so we can use board mass rule -4/35-1/12-6/35 we take L.C.M. -48-35-72/420 -155/420 -31/84
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