Question

Как решить а) 3/7+(-9/14)= б) -5/9-1/12= в) -2/3*5/8= г) 3/28:(-5/7)= -1/12*3/5-2/3:(-10/9)= как решить

Answer 1

1  -1/12*3,5=-1/20
2  2/3:(-10/9)=2/3*(-9/10)=-3/5
3  -1/20-(-3/5)=-1/20+3/5=11/20

3/7-9/14=-3/14
-5/9-1/12=-23/36
-2/3*5/8=-5/12
3/28:-5/7=-3/20

Answer 2

Solving the Equations

a) 3/7 * (-9/14):

To solve the equation 3/7 * (-9/14), you can multiply the fractions together. The result is -27/98.

b) -5/9 - 1/12:

To solve the equation -5/9 - 1/12, you can subtract the second fraction from the first. The result is -59/108.

c) -2/3 * 5/8:

To solve the equation -2/3 * 5/8, you can multiply the fractions together. The result is -5/12.

d) 3/28 / (-5/7):

To solve the equation 3/28 / (-5/7), you can divide the first fraction by the second. The result is -3/20.

e) -1/12 * 3/5 - 2/3 / (-10/9):

To solve the equation -1/12 * 3/5 - 2/3 / (-10/9), you can perform the operations in the following order: multiplication, division, and subtraction. The result is 1/20 + 6/5, which simplifies to 7/4.

These are the solutions to the given equations.