1.

5(b) 218. Simplify:1(a) 1 - +3 +42 21_11(c) 2 - -1 - +44. 2+1541(d) 4 .2.IN NIN1- 1 - +55​

Answer»

ANSWER:

(a) 1-3+4=-2+4=4

(B) 2+1-4=3-4=1



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