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2023-09-02 16:50:05
a) .
b) .
2023-09-02 16:49:48
a)
b)
c)
d)
2023-09-02 16:49:17
P
P =.
b)
Q=(5−6−2)+(−34−74+54)+(15−85−165)
.
2023-09-02 16:48:39
a) ;
b)
.
2022-05-09 09:11:09
2022-05-09 09:11:09
2022-05-09 09:11:09
2022-05-09 09:11:09
2022-05-09 09:11:09
2022-05-09 09:11:09