Jawapan

2016-02-18T21:17:23+08:00
(i) 36 ÷ 6 = 6
    6 (8-15) = -42

(ii) -64 + 42 = -22
     -22 ÷ 2 4/5 = -7 6/7
2 3 2
(ii) tu jawapan dia nombor bulat
2 4/5 = 2.8
-22 bahagi 2.8 = -7.857 
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2016-02-18T21:27:00+08:00
(i) 36 bahagi 6 x (8-15) 
    = 6 x (-7)
    = - 42

(ii) -64 + 42 bahagi 2 4 per 5
     = - 64 + 15
     = - 49
3 4 3