Collbay Collbay

27-09-2017
Matematică

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ex 3 va rog dau coroană

Ex 3 Va Rog Dau Coroană class=

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MaryClau MaryClau

27-09-2017

a) 7(x+y+z) =7(3+10)=7*13=91
b)17(x+y+z)-10=17(3+10)-10=17*13-10=221-10=211
c)5(x+2y+2z)=5(3+2*10)=5*23=115
d)100*3-9(y+z)=200-9*10=200-90=110

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