Bună!Mă poate ajuta cineva cu un exemplu? Dau coroană!
Răspunsuri la întrebare
5+[90+(20-135:a×3)-54]×6=251
[90+(20-135:a×3)-54]×6=251-5
[90+(20-135:a×3)-54]×6=246
90+(20-135:a×3)-54=246/6
90+(20-135:a×3)-54=41
(20-135:a×3)-54=41-90
(20-135:a×3)-54=-49
20-135:a×3=-49+54
20-135:a×3=5
135:a×3=20-5
135:a×3=15
135:a=15/3
135:a=5
a=135/5
a=27
[6×(12:a+7×8):3-2×9]×7+2×39=792
[ 6 ×( 12 :a+56 ) :3-18 ]×7+78 = 792
[ 6 × ( 12 : a + 56 ) :3 -18 ] ×7 = 792-78
[ 6 × ( 12 : a + 56 ) :3 -18 ] ×7 = 714
6×( 12 : a + 56 ) :3 -18 = 714:7
6×(12 : a + 56 ) :3 -18 = 102
6×(12 : a + 56 ): 3 = 102+18
6×(12 : a + 56 ):3= 120
6 ×(12 : a + 56 )= 120x3
6×(12 : a + 56 )= 360
12 :a + 56 = 360:6
12 :a + 56 = 60
12 :a = 60-56
12 :a = 4
a = 12:4
a =3
7-[100×68:17-5×(60×6-2×a)]:20=2
7-[6800:17-5×(360-2×a)]:20=2
7-[400-5×(360-2×a)]:20=2
[400-5×(360-2×a)]:20=7-2
[400-5×(360-2×a)]:20=5
400-5×(360-2×a)=20×5
400-5×(360-2×a)=100
5×(360-2×a)=400-100
5×(360-2×a)=300
360-2×a=300:5
360-2×a=60
2×a=360-60
2×a=300
a=300:2
a=150
135+5000:(1455-455)+a×(40+4)=272
135+5000:1000+a×44=272
135+5+a×44=272
140+a×44=272
a×44=272-140
a×44=132
a=132:44
a=3
832:a+[40+8×(100:5-90:5)]×10=592
832:a+[40+8x(20-18)x10=592
832:a+(40+8x2)x10=592
832:a+(40+16)x10=592
832:a+56x10=592
832:a+560=592
832:a=592-560
832:a=32
a=832:32
a=26