Mathematics
Junior High
なぜこのふたつの問題は、分母の有理化をしないのですか?
2
(7) √√√3/3÷√5
2
2
→ √ √²/²/4 + 5 = √ √ ²/3 × 1/² = √ √/12/²/512
(9)
√27/15
(8) √7 ÷ (-√√14)
14
= -√7 : 21/12--√7× 2²/12--√²
3
7X
3
14
√√5 + √2
15/2
|3|2
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