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= -10.200 + 128
= -10.072
b. 64 - [(-24) + (-16)] + [(-72) : (-2)]
= 64 - (-40) + 36
= 64 + 40 + 36
= 140
Catatan :
(+) × (-) = (-)
(-) × (+) = (-)
(-) × (-) = (+)
(+) : (-) = (-)
(-) : (+) = (-)
(-) : (-) = (+)
Ket :
(+) = positif
(-) = negatif