2- sinf matematika 40- dars amaliy topshiriqlar
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sinf: 2 chorak: 1 dars: matematika mavzu: amaliy topshiriqlar 40-dars dars shiori matematika fanlar ichra shoh, uning sirlaridan bo’lamiz ogoh 8 5 8 5 8 5 1. tenglamalarni yeching x - 25 = 25 a - 0 = 15 34 - m = 0 18 + u = 18 b + 10 = 10 k + 0 = 25 x=25+25 x=50 a=15+0 a=15 m=34-0 m=34 y=18-18 y=0 b=10-10 b=0 k=25-0 k=25 2. ifodani yozing. a+(b+c) (b+c)+a (a+b)-c c-(a+b) (a+b)+(c+d) 31-(12+15)=31-27=4 91-(45+12)=91-57=34 49-(26+7)=49-33=16 34-(7+11)=34-18=16 64-(18+21)=64-39=25 71-(23+12)=71-35=36 eksponat-67 ta 1-qavatda-28 ta 2- qavatda-21 ta 3- qavatda-? ta yechish: 67-(28+21)=67-49=18 ta javob:18 ta maktabda o’qiydi: 2- “a”-21 n 2- “b”-25 n 2- “d”-24 n 2- “e”-23 n jami-? n yechish: 21+25+24+23=93 n javob: …
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