
负24乘以小括号负二分之一加上三分之一减去十分之一减去三?
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解:-24×(-1/2)+1/3-1/10-3
=12+1/3-1/10-3
=(12-3)+1/3-1/10
=9+1/3-1/10
=28/3-1/10
=280/30-3/30
=277/30
=9又7/30
=12+1/3-1/10-3
=(12-3)+1/3-1/10
=9+1/3-1/10
=28/3-1/10
=280/30-3/30
=277/30
=9又7/30
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