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05/08/2021 09:13:03

Tính -3/28 - -4/21+ 1/7; -7/15 . 5/8 .15/-7 . (-32 ); 0,5 + 1/3 +0,4 +5/6+1/6 -4/35


a) -3/28 - -4/21 + 1/7

b) -7/15 . 5/8 .15/-7 . (-32 )

c) 0,5 + 1/3 +0,4 +5/6+1/6 -4/35

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