ex 17 vă rog frumos dau coroană
Răspunsuri la întrebare
Calculezi întâi adunarea si după imultirea
Coroana?
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a) (40: 5+16):a=9:3
(8+16):a=3
24:a=3
a=24:3
a=8
b) (40:5+b):8=9:3
(8+b):8=3
8+b=3x8
8+b=24
b=24-8
b=16
c) (40:c+16):8=9:3
(40:c+16):8=3
40:c+16=3x8
40:c+16=24
40:c=24-16
40:c=8
c=40:8
c=5
d) (d:5+16):8=9:3
(d:5+16):8=3
d:5+16=3x8
d:5+16=24
d:5=24-16
d:5=8
d=8x5
d=40
e) (e-64:8+6x4):5=5
(e-8+24):5=5
e-8+24=5x5
e-8+24=25
e-8=25-24
e-8=1
e=1+8
e=9
f) (9-64:8+6xf):5=5
(9-8+6xf):5=5
(1+6xf):5=5
1+6xf=5x5
1+6xf=25
6xf=25-1
6xf=24
f=24:6
f=4
g) (9-64:g+6x4):5=5
(9-64:g+24):5=5
9-64:g+24=5x5
9-64:g+24=25
9-64:g=25-24
9-64:g=1
64:g=9-1
64:g=8
g=64:8
g=8
h) (9-64:8+6x4):h=5
(9-8+24):h=5
(1+24):h=5
25:h=5
h=25:5
h=5