(√840 ÷ 348.19) * (456.09 ÷ √360) * ? * 7.91= √2300

(√840 ÷ 348.19) * (456.09 ÷ √360) * ? * 7.91= √2300

(√840 ÷ 348.19) * (456.09 ÷ √360) * ? * 7.91= √2300

A.            3

B.            5

C.            7

D.            1

E.            8

Sol:

(√840 ÷ 348.19) * (456.09 ÷ √360) * ? * 7.91 =

√2300

29/348 * 456/19 * 8 * ? = 48

? = 3

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