4-sinf 51-mavzu

4-sinf 51-dars mavzu: qarama-qarshi harakat gulmiramaratovna yondosh mavzu: 2-masala yechish: ( 23+31)*3h +30km =192km yechish: 192km -(23+31)*3h=30km yechish: 192-30=162km 162:3=54 km 54-23=31km/h yoki: 23*3+30=99 192-99=93 93:3=31km/h yechish: 192-30=162 162:(23+31)=3h v1=245m/min v2=272m/min t= 5min s=(245+272)*5=517*5=2585m yechish: 5*2=10m/min 10 +5=15m 45:15=3min 123 987 s t r a y k 39+48+13=100 25+46+29=100 34+37+29=100 yechish: (43+27)*6+70=490m image1.png image2.png image3.png image4.png image5.png image6.png image7.png image8.png image9.png image10.png image11.png image12.png image13.png image14.png image15.png image16.png image17.png image18.png image19.png

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