Question

Va rog ex 3 dau coroana va rog sa faceti detaliu cu detaliu. Multumesc! ​

Answer 1

Răspuns:

3×5+1=16supra5×5×8+3=43supra 4 ,1×7+2=9supra7×1ori 15plus 13care este egal cu 28,5ori8plus5este egal cu 45supra8,1ori25plus7este egal cu 32 ,3ori13plus3este egal cu 42,2ori14plus11este egal cu 39

Answer 2

Răspuns:

$3 \frac{1}{5} \times 8 \frac{3}{4} = \frac{3 \times 5 + 1}{5} \times \frac{8 \times 4 + 3}{4} = \frac{16}{5} ^{4)} \times \frac{35}{4} ^{7)} = \frac{28}{1}$

$1 \frac{2}{7} \times 1 \frac{13}{15} = \frac{9}{7} {}^{3)} \times \frac{22}{15} {}^{4)} = \frac{12}{5}$

$5 \frac{5}{8} \times 1 \frac{7}{25} = \frac{45}{8} {}^{9)} \times \frac{32}{25} {}^{4)} = \frac{36}{5}$

$3 \frac{3}{13} \times 2 \frac{11}{14} = \frac{39 + 3}{13} \times \frac{28 + 11}{14} = \frac{42}{13} {}^{3)} \times \frac{39}{14} {}^{3)} = \frac{9}{1}$

Sper ca te-am ajutat!

SPOR

Coroana??