Ko’paytmaning xususiy xollaridan foydalanib xisoblang.
1) 40∙700∙250 2) 75∙110∙800 3) 500∙320∙600
4) 50∙800∙125 5) 450∙30∙200 6) 2500∙600∙40
7) 80∙60∙1250 8) 130∙500∙200 9) 1250∙450∙400
10) 40∙300∙750 11) 150∙540∙200 12) 160∙250∙120
Taqsimot qonunini qo’llab yeching.
1) 4∙(5-3x) 2) (2-3x) ∙3 3) (3y-5) ∙5
4) 2∙(a+b+c) 5) 3∙ (4+a+b+c) 6) (8+a+b) ∙7
7) 2ab+2ac+2bc 8) 3a-3b 9) m∙8-n∙8
1) a+b+c=101 bo’lsa , (a+b)+(b+c)+(a+c) yig’indini;
2) x+y+z=148 bo’lsa , (2x+y)+(2y+z)+(x+2z) yig’indini hisoblang.
Sonli ifodani qulay usul bilan hisoblang.
1) 7∙55+7∙45+3∙55+3∙45 2) 8∙2+2∙92+8∙98+92∙98
3) 37∙59+41∙37+63∙59+41∙63 4) 356∙73+644∙27+27∙356+73∙64
Ko’rildi: MMIBDO`: ___________ ________________________”____”__________202__ -yil
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