52. 428 28=456 amalishoralarini tenglik to’g’ri bo’ladigan qilib qo’ying. a) / b) +
s) * d) –
53. Hamma burchaklari o’tkir bo’lgan uchburchak nomini belgilang. a) o’tmas burchakli uchburchak
b) o’tkir burchakli uchburchak
s) to’gri burchakli uchburchak
d) to’g’ri burchak
54. Tomonlarining uzunliklari o’zaro teng bo’lmagan uchburchak nomini ayting. a) teng tomonli uchburchak b) to’g’ri burchak deyiladi
s) teng yonli uchburchak d) turli tomonli uchburchak
55. Ifodaning qiymatini toping: (100+215+95):10-30= a) 11 b) 10
s) 41 d) 30
57. ABCD to’rtburchakning perimetri 17 sm ga teng. AB=5 sm, BC=6 sm, CD=AD. AD tomonning uzunligini toping. a) 2 sm b) 3 sm
s) 5 sm d) 4 sm
58. Bo’linuvchi 640, bo’luvchi 8, bo’linmani toping. a) 60 b) 70
s) 90 d) 80
59. Karim bir sonni o’yladi. U o’ylagan songa 2745 ni qo’shdi va 3126 soni hosil bo’ldi. Karim o’ylagan sonni toping. a) 271 b) 118
s) 381 d) 481
60. Bir soat necha minutga teng? a) 60 minut b) 120 minut
s) 50 minut d) 130 minut
61. Bo’linma va qoldiqni toping: 567:4= a) 141 (2q) b) 141 (3q)
s) 142 (1q) d) 143 (1q)
62. Tenglamani yeching:X+130=460 a) X=140 b) X=130
s) X=230 d) X=330
63. Traktor bakida 90 litr yonilg’i bor edi. Traktor bir soatda 6 litr yonilg’i sarflaydi. Agar traktorda 36 litr yonilg’i qolgan bo’lsa, u necha soat ishlagan? a) 9 soat b) 7 soat
s) 8 soat d) 4 soat
64. Ayriluvchi 123, ayirma 411, kamayuvchini toping. a) 524 b) 544
s) 534 d) 554
