質問<2700>2005/11/19
3√28+√63-4√7 ★希望★完全解答★
お返事2005/11/20 from=武田
3√28+√63-4√7 =3√(4×7)+√(9×7)-4√7 =3×2√7+3√7-4√7 =(6+3-4)√7 =5√7……(答)