Ответ:
1) √(-4)²+10²+(-7)²=√165
2) a+b(0+(-7); -2+9; 9+10)= (-7; 7; 19)
3) (1-1/2; 5+7/2; 8-8/2)= (0; 6; 0)
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Answers & Comments
Ответ:
1) √(-4)²+10²+(-7)²=√165
2) a+b(0+(-7); -2+9; 9+10)= (-7; 7; 19)
3) (1-1/2; 5+7/2; 8-8/2)= (0; 6; 0)