Question

AYÚDAME PO FAVOR. (ب_ب)​

Answer 1

Respuesta:

2. Resuelve:

a) $-2+8+6-3=6+6-3=9$

b) $-3+16-7+4=13-7+4=10$

c) $-5+2-5-6=-3-5-6=-14$

d) $4+5-8+3=9-8+3=4$

e) $2.8-1.2+3.1-2.6=2.1$

f) $-\frac{1}{11}-\frac{4}{11}+\frac{6}{11}+\frac{2}{11}=\frac{-1-4+6+2}{11}=\frac{3}{11}$

3. Realiza:

a) $\left(-6\right)\cdot \left(+3\right)=-18$

b) $\left(-5\right)\cdot \left(+2\right)=-10$

c) $\left(+7\right)\cdot \left(-4\right)=-28$

d) $0.5\left(-0.6\right)\cdot \:4=-0.5\cdot \:0.6\cdot \:4=-1.2$

e) $-24\cdot \:10\left(-\frac{1}{8}\right)=240\left(-\frac{1}{8}\right)=30$

f) $-14\left(-\frac{7}{11}\right)\left(-\frac{1}{2}\right)=\frac{98}{11}\left(-\frac{1}{2}\right)=-\frac{49}{11}$

4. Efectúa:

a) $-16\div \:4=-4$

b) $18\div \left(-9\right)=-2}$

c) $\frac{2}{5}\div \left(-\frac{6}{25}\right)=-\frac{5}{3}$

d) $\frac{13}{14}\div \left(-\frac{39}{7}\right)=-\frac{1}{6}$

5. Resuelve:

a) $-12\div \:6+35\div \:7$

        $-2+35\div \:7$

            $-2+5$

                 $3$,,

b) $13\left(-2\right)-30\div \:5$

     $-26-30\div \:5$

         $-26-6$

            $-32$,,