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a fost răspuns

Calculeaza a)9000-38×(16×2)-39=; b)52×13+12×5-72÷6=; c)3÷3+[(135-21×5)÷3+(132÷4+2)]×2= dau coroana

Răspuns :

NadeKing
a)9000-38x(16x2)-39=
9000-38x32-39
9000-1216-39
=7784-39
=7745
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b)52×13+12×5-72÷6
=676+70-12
=736-12
=724
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c)3÷3+[(135-21×5)÷3+(132÷4+2)]×2
=1+[(135-105):3+(33+2)]x2
=1+(30:3)+35x2
=1+10+70
=11+70
=81

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