matematika 7-sinf

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matematika 7-sinf / matematika 7-klass # savol a b c d ball 1 yo’lovchi va yuk poyezdi bir- biriga qarab yo’lga chiqdi. oralaridagi masofa 230 km. yuk poyezdining tezligi 50 km/soat, yo’lovchi poyezdiniki esa undan 30% ko’p. necha soatdan so’ng ular uchrashishadi? passajirskiy i tovarniy poezda edut navstrechu drug drugu. rasstoyanie mejdu nimi 230 km. skorost tovarnogo poezda 50 km/ch. skorost passajirskogo na 30% bolshe. cherez skolko chasov oni vstretyatsya? 1 2 1.5 2.5 1 2 a nuqta kc kesmaga tegishli. agar ks=75 sm va ka=32 sm bo’lsa, u holda ac kesmaning uzunligini toping. tochka a prinadlejit otrezku ks. ks=75 sm. ka=32 sm. naydite dlinu otrezka as. 32 42 44 43 1 3 ko'paytuvchilarga ajrating: ( )( )ab bc ac a b c abc+ + + + − razlojite na mnojiteli: ( )( )ab bc ac a b c abc+ + + + − ( )( )( )a b b …

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oe ot deleniya naimenshego obshego kratnogo chisel 12600 i 8820 na ix naibolshiy obshiy delitel. 105 21 35 70 2 10 hisoblang: (5 7 12 − 3 17 36 ) : 2 9 − 3 26 ∙ 4 1 3 vichislite: (5 7 12 − 3 17 36 ) : 2 9 − 3 26 ∙ 4 1 3 8 9 1 9 2 9 2 11 ishchi 3 kunda 45 ta detal tayyorladi. agar u 1-kuni umumiy detallarning 1 3 qismini, ikkinchi kuni qolgan detallarning 1 5 qismini tayyorlagan bo’lsa, uchinchi kuni nechta detal tayyorlagan? rabochiy izgotovil 45 detaley za 3 dnya. skolko detaley on izgotovil za tretiy den, esli za perviy den oni izgotovil 1 3 chast vsex detaley, a vo vtoroy den 1 5 chast ostavshixsya detaley. 24 30 20 16 2 12 1 dan 100 gacha natural sonlar ketma-ket yozib chiqildi. bu qatorda 5 raqami necha …

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v nedelyu, a aziza raz v tri dnya. oni vstretilis 1 fevralya vo vtornik. kogda oni vstretyatsya na tantsax v sleduyushiy raz? kakoy eto budet den nedeli? shanba subbota dushanba ponedelnik juma pyatnitsa seshanba vtornik 3 19 to’g’ri burchakli parallellipipedning bo’yi 50 dm ga teng. eni bo’yining 80% iga, balandligi esa bo’yining 2 5 qismiga teng. parallellopipedning hajmini toping (metr kublarda) dlina pryamougolnogo parallelepipeda ravna 50 dm. shirina sostavlyaet 80% dlini, a visota sostavlyaet 2 5 dlini. nayti ob'em parallelepipeda. ( v metr kubax) 10 20 40 50 3 20 kasrlarni taqqoslang: 111110 111111 x = , 222221 222223 y = va 333331 333334 z = sravnite drobi: 111110 111111 x = , 222221 222223 y = i 333331 333334 z = y x z  y z x  z y x  x z y  3

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matematika 7-sinf / matematika 7-klass # savol a b c d ball 1 yo’lovchi va yuk poyezdi bir- biriga qarab yo’lga chiqdi. oralaridagi masofa 230 km. yuk poyezdining tezligi 50 km/soat, yo’lovchi poyezdiniki esa undan 30% ko’p. necha soatdan so’ng ular uchrashishadi? passajirskiy i tovarniy poezda edut navstrechu drug drugu. rasstoyanie mejdu nimi 230 km. skorost tovarnogo poezda 50 km/ch. skorost passajirskogo na 30% bolshe. cherez skolko chasov oni vstretyatsya? 1 2 1.5 2.5 1 2 a nuqta kc kesmaga tegishli. agar ks=75 sm va ka=32 sm bo’lsa, u holda ac kesmaning uzunligini toping. tochka a prinadlejit otrezku ks. ks=75 sm. ka=32 sm. naydite dlinu otrezka as. 32 42 44 43 1 3 ko'paytuvchilarga ajrating: ( )( )ab bc ac …

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