1000 ichida sonlarni qo`shish usullari
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farg‘ona shahar 34-maktabi boshlang‘ich sinf o‘qituvchisi raxbaroy soyibnazarovaning 3-sinf uchun matematika fanidan “1000 ichida sonlarni qo‘shish usullari” mavzusida tayyorlagan taqdimoti dars shiori: matematika fanlar ichra shoh, uning sirlaridan bo‘lamiz ogoh! mavzu: 1000 ichida sonlarni qo‘shish usullari 67 72 139 50 80 130 84 60 144 2-misol 50 + 60 = 70 + 80 = 75 + 62 = 87 + 21 = 84 + 50 = 90 + 38 = 110 150 137 108 134 128 20 750 760 430 380 690 910 911 350 503 697 679 769 967 768 876 678 867 yechish: 37 + 63 = 100 (tup) javob: bog‘bon 100 tup ko‘chat payvandlashi kerak. dam olish daqiqasi yechish: 1) 37 + 41 = 78 (ta olmaxonlar) …
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