Jawapan

2016-09-09T17:47:02+08:00
A)-4. 2+5. 5=1. 3
B)25+(-30)=-5
1 5 1
2016-09-09T18:07:59+08:00
Jawapan :-

A) -4.2 + 5.5 = 1.3

B) (+)25 - 30 = -5