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OpenStudy (anonymous):
-6.8-(2/5+3/10). help please
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OpenStudy (anonymous):
-7.5
OpenStudy (anonymous):
first solve the bracket (2/5+3/10)=7/10 -6.8-(7/10)
OpenStudy (anonymous):
7/10=0.7 -6.8-0.7=-7.5
OpenStudy (anonymous):
no problem
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