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calculeaza respectand regulil invatate.a)[1280:4-(120:4-240×0)]:2

Răspuns :

[1280:4-(120:4-240×0)]:2=
[320-(30-0)]:2=
(320-30):2=
290:2= 145
Crys157724
[1280:4-(120:4-240×0)]:2=
[320-(30-0)]:2=
(320-30):2=
290:2=145

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