tolong bantu jawab a.√45 - √125 = ..? b. √21-4√5 - √54+14√5 =...?
Matematika
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Pertanyaan
tolong bantu jawab
a.√45 - √125 = ..?
b. √21-4√5 - √54+14√5 =...?
a.√45 - √125 = ..?
b. √21-4√5 - √54+14√5 =...?
1 Jawaban
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1. Jawaban indirwanarfan
A. 22,5 - 62,5 = (-40)
B. 10,5 - 4 = 6,5 - 2,5
= 4 - 27
= (-23)+14
= (-9)+2,5
= (-6,5)