2- sinf matematika 29- dars sonlarni ayirish(43-16)

sinf: 2 chorak: 1 dars: matematika mavzu: sonlarni ayirish(43-16) 29-dars dars shiori matematika fanlar ichra shoh, uning sirlaridan bo’lamiz ogoh 18 1. misollardagi xatolarni toping. to'g'ri misollarni yeching 43 2 45 + 35 20 15 - 47 43 04 - 64 23 87 + 2. misollarni namuna bo'yicha yeching. 56-28=(56-20)-8=(36-6)-2=30-2=28 44-36=(44-30)-6=(14-4)-2=10-2=8 71-25=(71-20)-5=(51-1)-4=50-4=46 82-44=(82-40)-4=(42-2)-2=40-2=38 3. krem uchun mikserga 12 kg sutli qorishma, 6 kg shakar, 2 kg tuxum kukuni va 7 kg sariyog' solindi. 18 kg tayyor krem tort uchun ishlatildi. qolgani pirojniy uchun qoldirildi. pirojniy uchun necha kilogramm krem olib qolindi? sutli qorishma-12kg shakar-6kg tuxum kukuni-2kg sariyog’-7kg ishlatildi-18 kg qoldi-? kg yechish: (12+6+2+7)-18=27-18=9 kg javob:9kg qolgan 4. to'g’...

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