Jawapan

  • Pengguna Brainly
2016-01-13T22:37:56+08:00
Isnin = - 6 sen
Selasa = 20 sen
Rabu = 7 sen

Jawapan = ( - 6 + 20 + 7 ) / 3
                = 21 / 3
                = 7
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