Sagot :
A 5.7(1.2+8.8)
7 + (8.5*6)
9*(12.4+0.6) = 9*13 = 117
17 -( 17*0.9) = 17-1.53 = 15.47
Bonjour
a)
5.7(1.2+8.8) = 5.7 * 10 = 57
b)
7 + (8.5 * 6 )= 7 * 51 = 357
ensuite
a)
9(12.4+0.6) = 9 * 13 = 117
b)
17-(17 * 0.9) = 17 -15.3 = 1.7