5-sinf matematika 15.tenglamalar+

5-sinf matematika fani mavzu: tenglamalar @dars_ishlanma_yangi o’tilgan mavzu yuzasidan savollar 1. a+(b+ c) = (a+ b) + c tenglik qo‘shishning qaysi qonunini ifodalaydi? 2. qo‘shishning o‘rin almashtirish qonunini so‘zlar bilan bayoneting. 3. quyida sondan yig‘indini ayirish xossasi to‘g‘ri yozilganmi? a– (b+ c) = a– b+ c 4. ayirishda nolning xossasini ayting. 184 – x– 14 ifodani soddalashtiring. yechish: sondan yig‘indini ayirish xossasiga ko‘ra: 184 – x– 14 = 184 – (x+ 14). qo‘shishning o‘rin almashtirish qonuniga ko‘ra, x+ 14 = 14 + x 184 – (x+ 14) = 184 – (14 + x). sondan yig‘indini ayirish xossasiga ko‘ra: 184 – (14 + x) = 184 – 14 – x= 170 – x. yangi mavzu: tenglamalar tenglama tushunchasi. masala sharti so‘zlar …

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