Г) ( - 3/7 - 5/14 - 8/21) * 3/14 + 1/8

Question

Г) ( - 3/7 - 5/14 - 8/21) * 3/14 + 1/8

Answer 1

Г) (-3/7-5/14-8/21)×3/14+1/8= -5/56
1. -3/7-5/14= -9/14
2.-9/14-8/21= -42/42= -1
3. -1×3/14= -3/14
4. -3/14+1/8= -10/112 = -5/56

Comments

давай решу

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(4 1/3=4,3) (3/16=0,2) 1. (4,3-2,2)=2,1 2. 2,1×-0,2= -0,42 3. -0,42 -

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3. -0,42 -3,05= -3,47 понятно

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(4,3-2,2)×(-0,2) -3,05= -3,47.

Answer 2

=((-18-15-16)/42)* 3/14 + 1/8=
(-49/42)* 3/14 +1/8= -1/4 + 1/8=
-3/8=-0,375