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veronica25681
18.10.2019 •
Mathematics
What is the value of (-1/4- -4/ 4/7
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Ответ:
(-7/28+16/28).-4/7
9/28.-4/7
-9/49
Ответ:
Which file extension indicates a text document?
A- .txt
B- .ppt
C-.tst
D- .pdf