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26-05-2020
Mathematics

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how do you solve 100-99+98-97+96-85+.........+4-3+2-1? and show the pattern for it

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MathPhys MathPhys

26-05-2020

Answer:

50

Step-by-step explanation:

100 − 99 + 98 − 97 + 96 − 95 + ... + 4 − 3 + 2 − 1

(100 − 99) + (98 − 97) + (96 − 95) + ... + (4 − 3) + (2 − 1)

1 + 1 + 1 + ... + 1 + 1

50(1)

50

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