A=5/9+2/15-6/9 B=2/7-3/8+4/7+1/7-5/8+5/15 C=3/5+1/15+1/57+1/3-2/9-3/4-1/36 D=1/1×2+1/2×3+1/3×4+…+1/99×100 E=1-3/1×3-3/3×5-3/5×7-…-19

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A=5/9+2/15-6/9
B=2/7-3/8+4/7+1/7-5/8+5/15
C=3/5+1/15+1/57+1/3-2/9-3/4-1/36
D=1/1×2+1/2×3+1/3×4+…+1/99×100
E=1-3/1×3-3/3×5-3/5×7-…-19

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RuslanHeatt 4 years 2021-05-18T21:35:38+00:00 1 Answers 73 views 0

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  1. thuthuy
    0
    2021-05-18T21:37:00+00:00
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    Mik sửa lại r

    a-5-9-2-15-6-9-b-2-7-3-8-4-7-1-7-5-8-5-15-c-3-5-1-15-1-57-1-3-2-9-3-4-1-36-d-1-12-1-23-1-34-1-99

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