Question

scote
Find the sum:
(i) 200+ (-55) + (-77) + (-68)
(ii) 1393 +(-407) + (-872) + 690
(ii) 703 + (-3) + (-1) + 1 + (-400) + 0
(iv) 2000 + 516 +(-517) - 1999​

Answer 1

Answer:

1.  0 = 200 +(-55)+(-77)+(-68) = 0

2.  804

1393+690-407-872

=2083-1279      

=804

3.   300=

703-3-1+1-400+0 we know that + and- =-

Hence, 700-1+1-400+0

Or 699+1-400+0

Or 700-400+0

Or 300+0

=300

4.   0=

2000+516+(-517)-1999

2516-2516

= 0

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