16.09.2020 matematika test

1) hisoblang (25 x 4-99) x 27 +63= a)38 b)67 d) 90 2) taqqoslang (409-209) x 4___ 321-( 100 x 3) a) > b) = d) d) = 8) eng kichik ikki xonali son eng katta ikki xonali sondan qancha kichik? a) 90 b) 99 d) 89 9) farida uyidan maktabgacha borish uchun 40 minut sarflaydi.faridaning 5 kunlik maktabga borib - kelish vaqtini minutlarda hisoblang. a) 400 minut b) 200 minut d) 120 minut 10) ayriluvchini topish uchun …………… a) kamayuvchidan ayirmani ayirish kerak b) ayirmadan kamayuvchini ayirish kerak d) ayirmaga kamayuvchini qo`shish kerak 11) hisoblang 80-37+67-19= a) 66 b) 91 d) 110 12) agar a=68 , b=72, c=85 bo`lsa, a+c-b ifodaning qiymatini toping a) 153 b) 81 d) 56

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