find 2/5×-1/9+23/180-1/9×3/4
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Answer:
= 2/5×-1/9 + 23/180 - 1/9×3/4
= -2/45 + 23/180 - 1/12
= ( -4320 + 12420 - 8100) /97200
= - 12420 + 12420/97200
= 0/97200
= 0
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