Toán Lớp 9: 3/√7-2+√(✓7-3)²
Giúp với ????????????????
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Toán Lớp 9: 3/√7-2+√(✓7-3)²
Giúp với ????????????????
Comments ( 1 )
= 3(√7+2)/(7 – 2²) + |✓7-3|
= 3(√7 + 2)/3 + (3 – √7)
= √7 + 2 + 3 – √7
= 5