Sagot :
bonjour
diviser par a/b = multiplier par b/a
A = -10/9 x (-33/35)
= + (10x33) / (9x35)
= (5x2x3x11) / (3x3x7x5)
= 22/21
B= -9/4x 1/3 = -9/(4x3) = -3/4 = -0,75
C = -9x 3/4 = -27/4 = -6,75
et
D = (-3/8) x 8/27 = -3/27 = -1/9
bonjour
diviser par a/b = multiplier par b/a
A = -10/9 x (-33/35)
= + (10x33) / (9x35)
= (5x2x3x11) / (3x3x7x5)
= 22/21
B= -9/4x 1/3 = -9/(4x3) = -3/4 = -0,75
C = -9x 3/4 = -27/4 = -6,75
et
D = (-3/8) x 8/27 = -3/27 = -1/9