matem 42-2

matematika 1-sinf matematika fanlar ichra shoh, uning sirlaridan bo‘lingiz ogoh. mavzu: sonlarni o‘nlikdan o‘tib ayirish mustaqil topshiriq: matematika kitobining 97-betidagi 4-topshiriq. 12-2= 10 10-3= 7 7 = 16-6= 10 10-3= 7 7 = 14-4= 10 10-2= 8 8 = 11-1= 10 10-1= 9 9 = 16-8 8 7 5 11-7 3 4 5 12-5 8 7 5 14-6 8 6 4 14-7 8 7 5 14 12-6 4 5 6 hisoblaymiz. 7 1 1 11 11 11 16 10 10 1 9 9 7-3= 4 10+4= 14 14 = 12-2= 10 10-5= 5 5 = 14-4= 10 10-5= 5 5 = 15-5= 10 10-1= 9 9 = vertolyotlar nechta? yechish: 17-9= 7 2 17-7-2 =8 (ta) javob: 8 ta vertolyotlar …

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