Toán Lớp 9: 3 √9/8 – √49/2 + √25/18
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Toán Lớp 9: 3 √9/8 – √49/2 + √25/18
giúp mình với ạ
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3√9/8 – √49/2 + √25/18
=9/8 – 7/2 + 5/18
=72/324 – 1134/324 + 90/324
= -3