(-1/2+1/6-3/8+5/12)*(-24)怎么算?

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(-1/2+1/6-3/8+5/12)*(-24)怎么算?

(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)怎么算?

(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)-1/2×(-24)+1/6×(-24)-3/8×(-24)+5/12×(-24)=12-4+9-10=7

(-1/2+1/6-3/8+5/12)*(-24)
=-1/2 *(-24)+1/6 *(-24)-3/8 *(-24)+5/12 *(-24)
=12-4+9-10
=7