4-sinf

4-sinflar uchun olimpiada 1.hisoblang: 743*15+15*257=? a)15000 b)14980 d)15035 2.tenglamani yeching: (x+753):20=4050:90 a)247 b)1653 d)900 3.bir kishi 35064 kun umr ko’rdi. u necha yoshga kirgan? a)90 b)95 d)96 4. 3 sutka necha minut? a)4220 b)4320 d)4420 5.hisoblang: 2soat 25min + 3soat 45min=? a)5soat 10min b)6soat 10min d)5soat 70min 6.millimetrga o’tkazing 2m 65cm 7mm=? a)272mm b)262mm d)2657mm 7.perimetrini toping? 15cm 25cm 27cm a)57cm b)67cm d)77cm 8.0 ,1, 2 raqamlardan raqamlar takrollanmasdan nechta 3 xonali son tuzish mumkin? a)4 b)3 d)5 9.ikki xonali sonlar ishida nechta 13 ga qoldiqsiz bolinadigan son bor?7 a)7 b)9 d)11 10.kasrlarni qo’shing: + =? a) b) d) 11. 1-kesmaning uzunligi 27cm,2-kesmaning uzunligi esa 150mm .ikkala kesmalarning birgalikdagi uzunligini tping. a)32cm b)1...

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