sau khi bans hai kho cos soos thocs laf :
80.5 - 7.5 -10 = 63 taans
toongr soos phaanf bawngf nhau laf :
3+4=7 phaanf
lucs ddaauf kho mootj cos soos thocs laf:
63 / 7 * 3 + 7.5 = 34.5 taans
lucs ddaauf kho hai cos soos thocs laf :
80.5 -34.5 = 46 taans
ddaps soos : kho mootj : 34.5 taans
kho hai : 46 taans
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