√12＝√2×2×3＝2√3
√27＝√3×3×3＝3√3
1÷√3＝(1÷√3)×(√3÷√3)＝ √3÷3 (有理化)
よって与式＝2√3－3√3＋√3÷3＝－2√3÷3
※÷は分数です
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
√12＝√2×2×3＝2√3
√27＝√3×3×3＝3√3
1÷√3＝(1÷√3)×(√3÷√3)＝ √3÷3 (有理化)
よって与式＝2√3－3√3＋√3÷3＝－2√3÷3
※÷は分数です
Users viewing this question
are also looking at these questions 😉
