Question

Va rog multttfdjsjsja​

Answer 1

Explicație pas cu pas:

=7/3*4/7+9/5*1/3-1/12=4/3+3/5-1/12=29/15-1/12=348/180-15/180=333/180=1.85

Answer 2

Răspuns:

$2 \frac{1}{3} \times \frac{4}{7} + \frac{9}{5} \div 3 - \frac{1}{12 } = \\ \frac{7}{3} \times \frac{4}{7} + \frac{9}{5} \times \frac{1}{3} - \frac{1}{12} = \\ simplifici \: fractiile \: 7cu \: 7 \: \:si \: 9cu3 \\ \frac{1}{3} \times 4 + \frac{3}{5} - \frac{1}{12} \\ calculam \: produsul \: primei \: fractii = \\ \frac{4}{3} + \frac{3}{5} - \frac{1}{12} amplificam \: cu \: numitorii \\ \frac{4 \times 20}{3 \times 20} + \frac{3 \times 12}{5 \times 12} - \frac{1 \times 5}{12 \times 5} = \\ \frac{80}{60} + \frac{36}{60} - \frac{5}{60} = \\ \frac{80 + 36 - 5}{60} = \\ \frac{116}{60} = \\ simplici \: cu \: 3 \\ \frac{27}{20}$