desireemoore94
desireemoore94
25-12-2017
Mathematics
contestada
2(-1-1)-(-1+5)-7(2(-1)-1)
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Julie993
Julie993
25-12-2017
=2(-2)-4-7(-2-1)
=-4-4-7(-3)
=-8-(-21)
=-8+21
=13
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phantuankhoi8
phantuankhoi8
25-12-2017
The answer of this question is 12.
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