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calculeaza:(84-7×8)+9×7=.(42+6×9)-(5×5+9×3)=.(6×8)-(43-6×4)=.100-(6×6+3×8)=.54+(76-7×4)+8×9=.(130-9×9+5×4)-(7×5+3×6)=

Răspuns :

Fakerderomania
(84-7x8)+9x7=(84-56)+63=28+63=91
(42+6x9)-(5x5+9x3)=(42+54)-(25+27)=
96-52=44
(6x8)-(43-6x4)=48-(43-24)=48-(19)=48-19=29
100-(6x6+3x8)=100-(36+24)=100-60=40
54+(76-7x4)+8x9=54+(76-28)+72=54+48+72=174
(130-9x9+5x4)-(7x5+3x6)=(130-81+20)-(35+18)=69-53=16
(84-56)+63=91
(42+54)-(25+27)=44
(48-(43-24)=29
100-(36+24)=40
(54+(76-28)+72=174
(130-81+20)-(35+18)=16

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