丨-3丨+丨-10丨-丨-1丨
=3+10-1
=13-1
=12
丨-24丨÷丨-3丨x丨-2丨
=24÷3×2
=16
（6分之5-丨-2分之1丨+丨+3分之1丨）x丨-6丨
=(5/6-1/2+1/3)×6
=5/6×6-1/2×6+1/3×6
=5-3+2
=4