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Es-176-pag-31-15-20-4-15-5-10-Es-180-pag-31-5-4-2-6-2-8-1-12-2-8-24-8-3-Es-281-pag-36-2-6-2-4-2-3-5-3-5-3-3-2-3-2-2-2-3-5-0-3-3-2-5-5-0-3-3-2-5-1-3-3-32-27-5-




Question Number 118716 by Cristina last updated on 19/Oct/20
Es.176 pag. 31  15−(20:4)=15−5=10  Es.180 pag.31  [(5−4)•(2•6)•2]:8=[1•12•2]:8=24:8=3  Es.281 pag.36  (2^6 :2^4 )•2^3 −(5^3 :5^3 )•(3^2 •3)=2^2 •2^3 −5^0 •3^3 =2^5 −5^0 •3^3 =2^5 −1•3^3 =32−27=5
$$\mathrm{Es}.\mathrm{176}\:\mathrm{pag}.\:\mathrm{31} \\ $$$$\mathrm{15}−\left(\mathrm{20}:\mathrm{4}\right)=\mathrm{15}−\mathrm{5}=\mathrm{10} \\ $$$$\mathrm{Es}.\mathrm{180}\:\mathrm{pag}.\mathrm{31} \\ $$$$\left[\left(\mathrm{5}−\mathrm{4}\right)\bullet\left(\mathrm{2}\bullet\mathrm{6}\right)\bullet\mathrm{2}\right]:\mathrm{8}=\left[\mathrm{1}\bullet\mathrm{12}\bullet\mathrm{2}\right]:\mathrm{8}=\mathrm{24}:\mathrm{8}=\mathrm{3} \\ $$$$\mathrm{Es}.\mathrm{281}\:\mathrm{pag}.\mathrm{36} \\ $$$$\left(\mathrm{2}^{\mathrm{6}} :\mathrm{2}^{\mathrm{4}} \right)\bullet\mathrm{2}^{\mathrm{3}} −\left(\mathrm{5}^{\mathrm{3}} :\mathrm{5}^{\mathrm{3}} \right)\bullet\left(\mathrm{3}^{\mathrm{2}} \bullet\mathrm{3}\right)=\mathrm{2}^{\mathrm{2}} \bullet\mathrm{2}^{\mathrm{3}} −\mathrm{5}^{\mathrm{0}} \bullet\mathrm{3}^{\mathrm{3}} =\mathrm{2}^{\mathrm{5}} −\mathrm{5}^{\mathrm{0}} \bullet\mathrm{3}^{\mathrm{3}} =\mathrm{2}^{\mathrm{5}} −\mathrm{1}\bullet\mathrm{3}^{\mathrm{3}} =\mathrm{32}−\mathrm{27}=\mathrm{5} \\ $$
Commented by prakash jain last updated on 19/Oct/20
Only post on forum if you want?to  discuss with others and provide  some context to post.
$$\mathrm{Only}\:\mathrm{post}\:\mathrm{on}\:\mathrm{forum}\:\mathrm{if}\:\mathrm{you}\:\mathrm{want}?\mathrm{to} \\ $$$$\mathrm{discuss}\:\mathrm{with}\:\mathrm{others}\:\mathrm{and}\:\mathrm{provide} \\ $$$$\mathrm{some}\:\mathrm{context}\:\mathrm{to}\:\mathrm{post}. \\ $$
Commented by 1549442205PVT last updated on 19/Oct/20
Cristina,do you post this information   to say what?What is your question?
$$\mathrm{Cristina},\mathrm{do}\:\mathrm{you}\:\mathrm{post}\:\mathrm{this}\:\mathrm{information}\: \\ $$$$\mathrm{to}\:\mathrm{say}\:\mathrm{what}?\mathrm{What}\:\mathrm{is}\:\mathrm{your}\:\mathrm{question}? \\ $$

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