Пошаговое объяснение:
1) -3m • (-2,1) = (3 • 2,1) m = 6,3m
2) 3,6 • (-5x) = - (3.6•5) x = -18x
3) 10m • (-1,7) • n = - (10•1,7) mn = -17mn
4) -7a • 3b • (-6c) (7•3•6) = 126 abc
5) 16x • (-8/15) • 45/64 k = -x • 8b • 3/4 k = - x • 2b • 3k = -6 bkx
6) -0,2t • (-5a) • (-b) = - abt
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Answers & Comments
Пошаговое объяснение:
1) -3m • (-2,1) = (3 • 2,1) m = 6,3m
2) 3,6 • (-5x) = - (3.6•5) x = -18x
3) 10m • (-1,7) • n = - (10•1,7) mn = -17mn
4) -7a • 3b • (-6c) (7•3•6) = 126 abc
5) 16x • (-8/15) • 45/64 k = -x • 8b • 3/4 k = - x • 2b • 3k = -6 bkx
6) -0,2t • (-5a) • (-b) = - abt