Bonsoir,
Calculer:
A= √7x√7= 7
B= √(5x20)= √100= 10
C= √8 x √2= √(8x2)= √12= 4
D= √2 x ( √(4x2) +√2)= √2 x (2√2+ √2)= √2x (3√2) = 2x3= 6
E= 10 x ( (√9x2)/ √2)= 10x( 3√2/√2)= 10x3= 30
A= √(6x24)= √144= 12
B= (√(7x14) / √2= √98/ √2= √49= 7
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Bonsoir,
Calculer:
A= √7x√7= 7
B= √(5x20)= √100= 10
C= √8 x √2= √(8x2)= √12= 4
D= √2 x ( √(4x2) +√2)= √2 x (2√2+ √2)= √2x (3√2) = 2x3= 6
E= 10 x ( (√9x2)/ √2)= 10x( 3√2/√2)= 10x3= 30
Calculer:
A= √(6x24)= √144= 12
B= (√(7x14) / √2= √98/ √2= √49= 7