计算:1/5x8加1/8x11加1/11x4.… 1/98x101怎么算?加上讲解
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发布时间:2024-10-20 01:46
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热心网友
时间:2024-11-29 20:34
1/5x8加1/8x11加1/11x14.… 1/98x101
=(1/5-1/8+1/8-1/11+1/11-1/14+……+1/98-1/101)÷3
=(1/5-1/101)÷3
=96/505÷3
=32/505
热心网友
时间:2024-11-29 20:35
1/5x8加1/8x11加1/11x14.… 1/98x101
=(1/5-1/8+1/8-1/11+1/11-1/14+……+1/98-1/101)÷3
=(1/5-1/101)÷3
=96/505÷3
=32/505