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Clearnote
Q&A
Junior High
Mathematics
🟦のところで計算すると-4になるのになんで...
Mathematics
Junior High
Solved
about 1 yearago
さー
🟦のところで計算すると-4になるのになんで+になるのですか?
④ √8 (√2-√12) 12=2√2 ×√2 2√2 × 2√3 =4-4√6
Answers
✨ Best Answer ✨
波輝
about 1 yearago
2行目の式の場合は2√2×√2、2√2×2√3を先にかけるので4ー4√6になります
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