find the value of a)125÷5÷(-1) b) ( 169÷13) ÷ (26÷2) c) ((-144÷12))÷((-18+6))
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125/5 / (-1)
⇒25 / (-1)
⇒-25
(169/13) / (26/2)
⇒13 / 13
⇒1
(-144/12) / (-18+6)
⇒-12 / -12
⇒ 1
⇒25 / (-1)
⇒-25
(169/13) / (26/2)
⇒13 / 13
⇒1
(-144/12) / (-18+6)
⇒-12 / -12
⇒ 1
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