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oksian1 [2.3K]
3 years ago
11

PLEASE HELP ME!!! THIS IS URGENT!!!! Solve (26*25)-(25*24)+(24*23)-(23*22)+(22*21)-(21*20)+(20*19)-(19*18)+(18*17)-(17*16)+(16*1

5)-(15*14)= Please simplify each parenthesis.
Mathematics
2 answers:
masha68 [24]3 years ago
8 0

Answer:

240

Step-by-step explanation:

Igoryamba3 years ago
8 0

Answer:

240

Step-by-step explanation:

\left(26\cdot 25\right)-\left(25\cdot 24\right)+\left(24\cdot 23\right)-\left(23\cdot 22\right)+\left(22\cdot 21\right)-\left(21\cdot 20\right)+\left(20\cdot 19\right)-\left(19\cdot 18\right)+\left(18\cdot 17\right)-\left(17\cdot 16\right)+\left(16\cdot 15\right)-\left(15\cdot 14\right)

650-600+552-506+462-420+380-342+306-272+240-210

=240

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