Question

simplify
5.6 - ( -3 + 8 )

6. 12 - ( 6+ 2)
6. add the following :
1. 7314 ,348 - 7314, 121
2. - 398 , -2 , 1734 , - 1034

3 .300 + (- 78 ) + ( - 78 ) + (-22)

.4( -365 ) , 2 , 1735 , -1034
5. 5 + ( - 425 ) + (-275 ) + 600
subtract :
1 -80 from -120
2. 80 from - 120.
3. 40 from 20
4. 1000 from 975
5. 800 from - 200

9 Simplify the following
(a) 132 - (143) + 96 - (-24)
(6) 150 - (-148) + 2
(c)-178 (-522) + (-410)
(0) 12 + (-36) - ( - 42 ) + 28
​

Answer 1

Answer:

This is a figure of a rectangular park (Fig 11.1) whose length is 30 m and width is 20 m.

to review our

6) What is the total length of the fence surrounding it? To find the length of the fence we

need to find the perimeter of this park, which is 100 m.

(Check it)

1 m

Answer 2

a push or pull is force. hope it helps you. Thanks.