99又八分之七乘以括号负四减括号二分之一减三分之一减六分之一乘以24等于多少?
1个回答
2020-10-04
展开全部
99又7/8x【-4-(1/2-1/3-1/6)x24】
=99又7/8x(-4-1/2x24+1/3x24+1/6x24)
=99又7/8x(-4-12+8+4)
=(100-1/8)x(-4)
=-100x4+1/8x4
=-400+1/2
=-399又1/2
=99又7/8x(-4-1/2x24+1/3x24+1/6x24)
=99又7/8x(-4-12+8+4)
=(100-1/8)x(-4)
=-100x4+1/8x4
=-400+1/2
=-399又1/2
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