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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

In a quiz competition, Team A scored +30, −20, 0 and team B scored −20, 0, +30 in three successive rounds. Which team will win? Can we say that we can add integers in any order? - Mathematics

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प्रश्न

In a quiz competition, Team A scored +30, −20, 0 and team B scored −20, 0, +30 in three successive rounds. Which team will win? Can we say that we can add integers in any order?

योग

उत्तर

Total score of team A

= [(+30) + (−20)] + 0

= (+10) + 0

= 10

Total score of team B

= [(−20) + 0] + (+30)

= −20 + 30

= +10

Score of team A = Score of team B.

Yes, we say that we can add integers in any order.

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अध्याय 1: Number System - Exercise 1.1 [पृष्ठ ९]

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सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 1 Number System
Exercise 1.1 | Q 5 | पृष्ठ ९
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