Bonjour,
Calculer:
√63+2√28-√700= √(9x7)+2√(4x7)-√(100x7)= 3√7+2x2√7-10√7= -3√7
√45+2√20-√500= √(9x5)+2√(4x5)-√(100x5)= 3√5+2x2√5-10√5= -3√5
√75+2√12-√300= √(25x3)+2√(4x3)-√(100x3)= 5√3+2x2√3-10√3= -√3
√24+2√54-√600= √(4x6)+2√(9x6)-√(100x6)= 2√6+2x3√6-10√6= -2√6
