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МАТЕМАТИКА

МАТЕМАТИКА. ПИСМЕНО САБИРАЊЕ ТРОЦИФРЕНИХ БРОЈЕВА. 345+234=. 3 4 5 + 2 3 4 =. 300 + 200 +. 40 + 30 +. 5 + 4 =. = 500 + 70 + 9 =. 5 7 9. 3. 4. 5. +. 2. 3. 4. =. С. Д. Ј. 3. 4. 5. 3 4 5 + 2 3 4 = 5 79. +. 2. 3. 4. =. 5. 7. 9.  Израчунај. 315 + 431. 265 + 623. С.

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МАТЕМАТИКА

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  1. МАТЕМАТИКА

  2. ПИСМЕНО САБИРАЊЕ ТРОЦИФРЕНИХ БРОЈЕВА 345+234= 345+234= 300+200+ 40+30+ 5+4= =500+70+9= 579 3 4 5 + 2 3 4 = С Д Ј 3 4 5 345+234=579 + 2 3 4 = 5 7 9

  3. Израчунај 315 + 431 265 + 623 С Д Ј 4 5 2 + 3 1 7 632 + 216 423 + 431 = 7 6 9

  4. ПИСМЕНО САБИРАЊЕ ТРОЦИФРЕНИХ БРОЈЕВА 345+234= 345+234= 300+200+ 40+30+ 5+4= =500+70+9= 579 Израчунај Израчунај 345+234= =579 315 + 431 = 437 + 562 = 315 + 431 = 746 265 + 623 = 265 + 623 = 888 с д ј 345 +234 =579 423 + 431 = 632 + 216 = 423 + 431 = 854 632 + 216 = 848 215 + 431 =

  5. ПИСМЕНО ОДУЗИМАЊЕ ТРОЦИФРЕНИХ БРОЈЕВА 562 (6-4)= =500+60+2= (90-30)+ 796-234= (700-200)+ 796-234= 7 796 - 234=562 9 6 - 2 3 4 = С Д Ј 7 9 6 - 2 3 4 = 5 6 2

  6. Израчунај 545 - 431 842 -621 С Д Ј 7 9 6 - 2 3 4 637 -216 935 - 421 = 5 6 2

  7. ПИСМЕНО ОДУЗИМАЊЕ ТРОЦИФРЕНИХ БРОЈЕВА (90-30)+ (700-200)+ (6-4)= 796+234= 796+234= =500+60+2= 562 Израчунај Израчунај 796-234= =579 545 - 431 = 114 545 - 431 = 842 -621 =221 842 -621 = с д ј 796 -234 =562 935 - 421 = 514 637 -216 = 421 935 - 421 = 637 -216 =

  8. Домаћи задатак: Радна свеска страна 146. Х В А Л А ! БИЛИ СТЕ СЈАЈНИ

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