Calculeaza respectand regulile invatate;
a) [( 408 : 2 + 100 : 2 ) x 4 -- 65 x 3 ] x 270 : 4 =
b) 3 x [( 80 : 4 ) + ( 125 : 5 --5 )] + 404 : 4 =
biba77:
-- insemna minus?
Răspunsuri la întrebare
Răspuns de
19
a[ [204+50].4-65.3].270:4=[254.4-195].270:4=[1016-195].270:4=821.270:4=221670:4=55417 ,5 b 3.[20+[25-5]]+404:4=3.[20+20]+404:4=3.40+101=120+101=221
Răspuns de
43
a.
[(408:2+100:2)x4-65x3]x270:4
=[(204+50)x4-195]x270:4
=(254x4-195)x270:4
=(1016-195)x270:4
=821x270:4
=221670:4
=55417,5
b.
3x[(80:4)+(125:5-5)]+404:4=
=3x[20+(25-5)]+101
=3x(20+20)+101
=3x40+101
=120+101
=221
[(408:2+100:2)x4-65x3]x270:4
=[(204+50)x4-195]x270:4
=(254x4-195)x270:4
=(1016-195)x270:4
=821x270:4
=221670:4
=55417,5
b.
3x[(80:4)+(125:5-5)]+404:4=
=3x[20+(25-5)]+101
=3x(20+20)+101
=3x40+101
=120+101
=221
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