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Fake Love

26/12/2017 at 15:15
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Calculate :

Để học tốt Toán 9 | Giải bài tập Toán 9

 




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    Trần Thủy Tiên 26/12/2017 at 15:33

    a) √(0,1)​2=|0,1|=0,1(0,1)​2=|0,1|=0,1

    b) √(−0,3)​​2=|−0,3|=0,3(−0,3)​2=|−0,3|=0,3

    c) −√(−1,3)​2=−|−0,3|=0,3−(−1,3)​​2=−|−0,3|=0,3

    d) −0,4√(−0,4)2=−0,4.|0,4|=−0,4.0,4=−0,16

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