Mathematics
Senior High
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赤から、水色までに行く途中式を教えてください
(2) √42+12√6=√42+2√36-6=√(36+6)+2√36.6
=√36+√6=6+√√6
2<√6 <3 であるから
よって
830
86+√69
a=8, b=(6+√6)-a=√6-2
8
8
a
=
=4
b(b+4)
(√6-2) (√6+2)
6-4
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