bonjour
a) 5 ( 12 + 8 ) = 5 * 20 = 100
b ) 18 ( 107 - 7 ) = 18 * 100 = 1 800
a ) 57 ( 73 + 27 ) = 57 * 100 = 5 700
b ) 3.8 ( 25.4 - 15.4) = 3.8 * 10 = 38
allez continue
