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Ex3 repedeeee va roog!

Ex3 Repedeeee Va Roog class=

Răspuns :

3. a×b=17,25 c=0,2

1)a×(b×c)=a×b×c=17,25×0,2=3,45

2)a×b+c=17,25+0,2=17,45

3)a×b-c=17,25-0,2=17,05