2-sinf matematika 35-mavzu (2)

assalomu alaykum. mavzu: yig’indidan sonni ayirish. yondosh mavzu: uy hayvonlari ye: 1) 40+40=80 80-30=50 j: 50 ta ortgan 1-topshiriq 2-topshiriq 25+(24 – 14)= (45 – 25)+46= 19 +(18 – 8)= 28 + (16 – 6)= (37 – 7) +15 = 67 +(26 – 6)= 25+10=35 20+46=66 19+10=29 28+10=38 30+15=45 67+20=87 3-topshiriq a-b a+b d) (m+n)-t 19 19 = 29 27 > 52 42 > 51 61 < 69 81 < 80 80 = 5-topshiriq yig’ib olindi-50 ta va 45 ta t. qoldirildi-15 ta t. jo’natildi-? ta t. j: 80 ta t. ye: 1) 50+45=95 2) 95-15=80 3 40 7 13 50 = 56 56 38 47 < 34 38 < 51 61 < mustahkamlash: echki, olmaxon, mushuk. qaysi biri ortiqcha? …

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