Lời giải:
√911,9=√9,119.√100 ≈ 3,019.10 ≈ 30,19
√91190=√9,119.√10000 ≈ 3,019.100 ≈ 301,9
√0,09119=√9,119:√100 ≈ 3,019 : 10 ≈ 0,3019
√0,0009119=√9,119:√10000 ≈ 3,019 : 100 ≈ 0,03019
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Lời giải:
√911,9=√9,119.√100 ≈ 3,019.10 ≈ 30,19
√91190=√9,119.√10000 ≈ 3,019.100 ≈ 301,9
√0,09119=√9,119:√100 ≈ 3,019 : 10 ≈ 0,3019
√0,0009119=√9,119:√10000 ≈ 3,019 : 100 ≈ 0,03019
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