-8 — ((-12) + (-3))=+7
-15-(7-(-9))=-31
82+ ((-33)-48)=+1
(-42+26) — (-12) =-4
62-78-7+48=-25
-24+32-76+38=-30
-17, -14, -11, -8, -5, -2
ա) 12 x (-8) — (-3) x 17 =-45
բ) -15 x (-6) + (-3) x 18 =+36
գ) (-4) x 62 — 67 x (-5) =583
դ) 33 x (-9 ) + (-4) x 61 = -541
ե) -16 x (-49) — (-16) x (-23) =416
ա) |-2| + |7| + |-16| + |13| — 23=15
բ) |-5| + |728| + |-475| + |-200| — 215 =993
գ) |18| — |-7| + |-45| + |0| — 32=24
դ) |-45| + |45| + |7| — |-68| + 4 =23
ա) -18 > -25
բ) -105 > -111
գ) -1002 = -1002
դ) -42168 < -42078
ե) -18 > -250
զ) -105 = -105
է) -1002 < 1002
ը) -42168 = -42168
ա) 111, 333, 555, 112, 115, 131, 151, 133, 155, 331, 335, 313, 353, 311, 355, 551, 553, 515, 535, 511, 533, 135, 153, 315, 351, 531, 513:
բ) 111, 333, 555, 112, 115, 131, 151, 133, 155, 331, 335, 313, 353, 311, 355, 551, 553, 515, 535, 511, 533,
գ) 120, 102, 201, 210:
դ) 200, 100, 210, 220, 211, 222, 111, 112, 121:
ա) p(a)=n/m
n=1, m=7
p(a)=1/7
բ) p(a)=n/m
n=1, m=7
p(a)=1/7
100:20=5
600×5=3000
Պատ՝ 3000 կգ
ա) 27000 : (4+5) =3000
3000 x 4=12000
3000 x 5=15000
բ) 27000 : (2+3+4) =3000
3000 x 2 =6000
3000 x 3 =9000
3000 x 4 = 12000
159. ա) 35:100×20=7
35+7=42
բ) 60:100×25=15
15+60=75
գ) 50:100×40=20
20+50=70
160.
ա) 70:100×10=7
70-7=63
բ) 60:100×35=21
60+21=81
գ) 120:10×15=18
120+18=138
Ագապե Ավագյան 