Math, asked by zee123pop11, 8 days ago

simplify the following (6*2=12)

i. -34+12-(-21)+1
ii. 55-90+12-(34) 4+(-4)-12
iii. 22+34-78-89-90
iv. (- 7) + (- 9) + (+ 4) + (+ 3)
v. (- 5) + (-2)​

Answers

Answered by pawanpreetsingh222
0

Answer:

a).

 - 34 + 12 - ( - 21) + 1 \\  - 22  + 21 + 1 \\  - 1  + 1 \\ 0 \\ ans. \: 0

b).

55 - 90 + 12 - (34)4 + ( - 4) - 12 \\ 55 - 90 + 12 - 136 - 4 - 12 \\ 55 - 78 - 136 - 4 - 12 \\  - 23 - 136 - 4 - 12  \\  - 159 - 4 - 12 \\  - 159 - 16 \\  - 175 \\ ans. \:  - 175

c).

22 + 34 - 78 - 89 - 90 \\ 56 - 78 - 89 - 90 \\  - 22 - 89 - 90 \\  - 22 - 179 \\  - 201 \\ ans. \:  - 201

d).

( - 7) + ( - 9) + (4) + (3) \\  - 7 - 9 + 4 + 3  \\  - 7 - 5 + 3 \\  - 7 - 2 \\  - 9 \\ ans. \:  - 9

e).

( - 5) + ( - 2) \\  - 5 - 2 \\  - 7 \\ ans. \:  - 7

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