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aroman4511
04.07.2019 •
Mathematics
Which expression has the same sum as the one below? –15 + 6 a 15 + 6 b –6 + (–15) c 15 + (–6) d 6 + (–15)
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Ответ:
because -15+6=-9 so 6+(-15) is also the same
Ответ:
EXP:
d(20) = 25(20)
d(20)=500