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Brianamaria443
a fost răspuns

21/5:7/10+(1,4)^78:[(1,4)^7]^11-12/5​

Răspuns :

Denisaandreea1402

[tex] \frac{21}{5} \times \frac{10}{7} + {(1.4)}^{78} \div {(1.4)}^{77} - \frac{12}{5} = 6 + 1.4 - 2.4 = 5 [/tex]

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