\(\left(-6,5\right)\times5,7+5,7\times\left(-3,5\right)\)

\(=\left[\left(-6,5\right)+\left(-3,5\right)\right]\times5,7\)

\(=-10\times5,7\)

\(=-57\)

(-6,5).5,7+5,7.(-3,5)

= (-5,7).(3,5 + 6,5)

= (-5,7) .10 = -57

=5,7x(-6,5 + -3,5)

=5,7 x -10

= - 57

k cho mik nha

a, x/12-5/6=1/12                                                              e,1va1/2.x-4=0,5

b, 2/3-1va-3/5                                                                 f, 2 mu x-1=16

c, -2 mũ 3+0,5x=1.5                                                        j, (x-1) mu 2=25

d, (-30)mũ x/81=-27                                                          k,/x-2 phần 5/+3 phần 4=11 phần 4

f: =100-322=-222

chỗ \(\dfrac{3}{5}\) là \(\left|\dfrac{-3}{5}\right|\)

1: \(=5.7\left(-6.5-3.5\right)=-10\cdot5.7=-57\)

a) (-124) + 24 = -100
b) 37. 78 + 37. 22
=  37 . ( 78 + 22 )
=  37 . 100
= 3700

tk cho mik nha

\(6,5.5,7+5,7.\left(-3,5\right)\)

= \(5,7.\left[6,5+\left(-3,5\right)\right]\)

= \(5,7.3\)

= \(17,1\)

=

=

=

\(=64\cdot\dfrac{-1}{8}+100\cdot\dfrac{1}{100}\)

=-8+1

=-7

\(A=-\dfrac{1}{6}-\left[\dfrac{9}{16}-\dfrac{9}{8}+\dfrac{3}{4}\right]\)

\(=\dfrac{-1}{6}-\dfrac{9-18+12}{16}=\dfrac{-1}{6}-\dfrac{3}{16}\)

\(=\dfrac{-8}{48}-\dfrac{9}{48}=-\dfrac{17}{48}\)

\(B=\left(-\dfrac{3}{4}+\dfrac{3}{4}\right)^2+\dfrac{3}{4}\cdot\dfrac{-5}{9}+7^3\)

=-15/36+343

=343-5/12=4111/12