Question

3. Subtract:
a) 500 from
–324
b) - 756 from -- 389
c) - 657 from O
4. Subtract 670 from the sum of 550 and - 379.
5. Find the value of expression:
(0) (--780) + (-- 545) - (1235) + (980)
(ii) (+356)-(--238) -(680) + (--325)
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Answer 1

Answer:

3. Subtract:

a) 500 from – 324

⠀⠀⠀– 324

⠀⠀⠀– 500

⠀───────

⠀⠀⠀– 824⠀⠀Answer!

__________________

b) – 756 from – 389

⠀⠀⠀– 389

⠀– ( – 756)

⠀───────

⠀⠀⠀⠀367⠀⠀Answer!

__________________

c) – 657 from 0

⠀⠀⠀⠀⠀ 0

⠀– ( – 657)

⠀───────

⠀⠀⠀⠀656⠀⠀Answer!

━━━━━━━━━━━━━━━━━━━

4. Subtract 670 from the sum of 550 and - 379.

⇢ {550 + (– 379)} – 670

⇢ {550 – 379} – 670

⇢ 171 – 670

⇢ – 499⠀⠀Answer

━━━━━━━━━━━━━━━━━━━

5. Find the value of expression:

(i) (– 780) + (– 545) – (1235) + (980)

⇢ – 780 – 545 – 1235 + 980

⇢ – 2560 + 980

⇢ – 1580

__________________

(ii) 356 – (– 238) – (680) + (– 325)

⇢ 356 + 238 – 680 – 325

⇢ 594 – 1005

⇢ – 411

Answer 2

Answer:

3. a) 500 from –324

= -824

b) - 756 from -- 389

= 367

c) - 657 from O

= 656