丨-9丨+丨+1丨= 丨-10丨-丨-8丨= 丨-4丨×丨6.2丨= 丨24丨÷丨-3丨×丨-2丨=

问题描述:

丨-9丨+丨+1丨= 丨-10丨-丨-8丨= 丨-4丨×丨6.2丨= 丨24丨÷丨-3丨×丨-2丨=
(1)丨-9丨+丨+1丨= (2)丨-10丨-丨-8丨= (3)丨-4丨×丨6.2丨= (4)丨24丨÷丨-3丨×丨-2丨=

答案依次是:10,2,24.8,4