53- dars matematika 4- sinf

4- sinf mavzu:quvlama harakat 53-dars samoriya @namonlinetest matematika il qism 11: 55 08: 45 08: 05 12: 30 1)115km/h-25km/h=90km/h 2)90km/h x 3 h= 270 km 1) 270 km: 3 h= 90 km/h 2) 115km/h-90 km/h=25km/h 1) 115km/h-25km/h= 90 km/h 2) 270km: 90 km/h=3h 1) 270km: 3h=90km/h 2) 90km/h +25km/h=115km/h vyaq= v₁-v₂=400m/min-370m/min=30m/min tyaq= s₀:vyaq=120m:30m/min=4minut javob:4minutda 50m/min 240m 2min yechish:1)240m : 2 min= 120 m/min 2) 120 m/min +50m/min=170 m/min 18m 24m 18 24 37m 37 55m 55 120m (120 150m > > < = = < y+165= 870 -105 123 + x= 687 x= 687-123 x= 564 123 + x= 762 - 75 y+165= 765 y= 765-165 y= 600 6 2 11 0 0 2 6 11 t r e k …

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