Jawabanmu

2014-09-11T20:36:52+07:00
8 X 170 = 1360
12 X 165 = 1980
3340 : 20 = 167
2014-09-11T20:49:05+07:00
8 x 170 =  1360
12 x 165 = 1980

(1360+1980) : 20 = 3340 : 20 = 167 cm
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