Jawapan

2016-03-19T15:34:40+08:00
1/2 quarts - 2  3/4 quarts
= 1/2 quarts - 11/4 quarts
= 2/4 quarts - 11/4 quarts
= - 9/4 quarts
= - 2  1/4 quarts

Semoga membantu .. :)

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