4-sinf Matematika - Kompyuter yordamida matematika darslarini tushunarli va samarali o'tkazish

«Kompyuter yordamida matematika darslarini tushunarli va samarali o'tkazish» 4-sinf 74306 351084 687148 775626 810328 56581 700 + 400 + 300 + 6 300 + 500 + 100 + 80 + 4 600 + 800 + 700 + 100 + 40 + 8 700 + 700 + 500 + 600 + 20 + 6 800 + 100 + 300 + + 20 8 500 + 600 + 500 + 1 80 + Sonlarni sinflarga ajrating. Sonlarni taqqoslang. 101195 101905 310945 311 234140 231040 573611 572611 384794 384694 156404 146505 Masalani javobini toping. Toshkent 3300 km 3253 km 5012 km yechish: 3253+3300+5012=11565 j: 11565 km Har birining og'irligini toping. 74 kg 58 kg yechish: 82 kg 82-74=8 kg (o'rdak) 58-8=50 kg (kenguru) 82-58=24 kg (kuchuk) Masalani javobini toping. Paxtakor 9614 m 2395 m 1564 m yechish: 2395+9614+1564=13573 j: 13573 m Tinchlik Chorsu Beruniy 35565+2329= 36487+24879= 761236+63528= 426128+36783= 661879+323728= 36701+5783= 35565 2329 761236 63528 661879 323728 36487 24879 426128 36783 36701 5783 + + + + + + Ustun usulida hisoblang. 37894 824764 985607 61366 462911 42484 37894 61366 824764 462911 985607 42484 Ifodani qiymatini toping (79906-78806):2x8= (348-800:4)x7+300= (363:3+121)x4+23400= 1 1 2 3 2 2 1 4 3 3 4 4400 1336 24368 Tenglamani yeching (x+457)+2700=7321 (x+457)=7321-2700 x+457=4621 x=4621-457 x=4164 x+552=5143-1358 x+552=3785 x=3785-552 x=3233 51+(30+x)=800 30+x=800-51 30+x=749 x=749-30 x=719 Marraga kim birinchi borish? 6200 : 100 10 380 100 x + 600 500 +400 :2 x3 :5 -300 +500 -100 :3 100 500 1500 100 200 2500 ...