2/21 × (-3/13) +(-7/9) - 2/21 × 10/13
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= 2/21×(-3/13)-(7/9)-20/273
= -6/273-(7/9)-20/273
= -0.021- 0.77- 0.063
= -0.864
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Answer:
by distributing property because all sign is here
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