Question

calculați :
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Answer 1

Răspuns:

Explicație pas cu pas:

16a

-9/5(-75/27)=15/3=5

16b

17/3·12/34·(-9/2)=-4/2·9/2=-9

17a

-9/18=-1/2

17b

-10·3/19·3·2=-5/19

17c

-5/6·15·23/23·25·137/6·23(-2·9·23/137·4)=5··9/15·25·2=3/50