Question

É verdade que:
a) O X(-9) = -9
b) 0:(-9) = -9
c) 0 - (- 9) = -9
d) 0 + (- 9) = -9
d) F F​

Answer 1

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a) $0 \times ( - 9) = - 9$ ❌

• $0 \times ( - 9) = 0$ ✅

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b) $0 \div ( - 9) = - 9$ ❌

• $0 \div ( - 9) = 0$ ✅

➖➖➖➖➖➖➖➖➖➖➖➖➖

c) $0 - ( - 9) = - 9$ ❌

• $0 - ( - 9) = 9$ ✅

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d) $0 + ( - 9) = - 9$ ✅