matematika 54-mavzu

assalomu alaykum. mavzu: uch xonali sonlarni ayirish yondosh mavzu: sportchilar sportchilar 765-(198+218)=765-416=349 785-(523-264)=785-259=526 (740-356)+374=384+374=758 940-(128+208)=940-336=604 514-336+15=178+15=193 812-785+89=27=89=116 8-misol ye: 1) 25+16=41 2)25+41=66 3)66+66=132 j: 132 ta 9-masala 1 2 3 4 5 6 7 8 8 9 10 11 12 1-topshiriq 100 = 100 = 100 = = 1-topshiriq 9 o‘nl 10 birl.-8o‘nl. 2 birl.= 1 o‘nl. 8 birl. 1-topshiriq 9 o‘nl 10 birl. – 3 o‘nl. 6 birl.= 6 o‘nl. 4 birl. 1-topshiriq 9 o‘nl 10 birl. – 5 o‘nl. 5 birl.= 4 o‘nl. 5 birl. 2-topshiriq 700-273=427 500-478=22 900-761=139 800-254=546 400-357=43 700-619=81 > > 4-topshiriq a) 900-465= b) 800-653 5-topshiriq ye: 1) 25+25=50 2) 20+20=40 3) 40+50=90 4) 90+15=105 5) 105+10=115 6) 115+20=135 j: 135 kg 6-topshiriq ye: …

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