Question

Va rog frumos am nevoie urgent de ele?​
Dau coroana si inimioara!

Answer 1

Explicație pas cu pas:

$1. \\ 0.7 = \frac{7}{10} \\ 4.5 = \frac{45}{10} = \frac{9}{2} \\ \\ 2. \\ 5.2 \times 3.7 - 1.24 = \\ 19.4 - 1.4 = 18$

$4. \\ p = 0.3 \times 4 = 1.2 \: dm$

$7. \\ 1.75 \times ( {1.5}^{2} + 4 \times (3.02 - 4.28 \div 2)) = \\ 1.75 \times (2.22 + 4 \times (3.02 - 2.14)) = \\ 1.75 \times (2.25 + 4 \times 0.8) = \\ 1.75 \times (2.25 + 3.52) = \\ 1.75 \times 5.77 = 10.09$

$1. \\ 0.3 = \frac{3}{10} \\ 2.17 = \frac{217}{100}$

$2.\\ {3.4}^{2} - 0.56 = \\ 11.56 - 0,56 = 11$

$3. \\ \frac{3.75+2.25}{2} = \frac{6}{2} = 3$

$7. \\ (3.25 + 1.6 \times 0.5 - 2.52 \div 3) \times {0.3}^{2} = \\ (3.25 + 0.8 - 0.84) \times 0.09 = \\ (4.05 - 0.84) \times 0.09 = \\ 3.21 \times 0.09 = 0.28$

sper că te-am ajutat!