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21. matematika sabiranje desetica 2.pptx
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Milan Filipovac
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21. matematika sabiranje desetica 2.pptx
1.
弌 弌丐丶 (2)
2.
1. 亰舒仆舒 仆舒
亟亢亳 仆舒亳仆: 170+40= 280+10= 820+70= 470+70= 360+20= 590+50=
3.
2. 亰舒仆舒 仗仂仗亳亳于舒亠仄 730+40=
640+80= 330+50 = 890+40= 380+80= !!!
4.
3. 亰舒仆舒: 230+60= 670+20= 810+90= 460+30= 920+80= 540+70= 180+80= 390+90= 弌舒仆仂 舒亠仆 仗仂舒仂!
5.
4. 仂舒 310
于亠舒 亰弍亳仂仄 弍仂亠于舒 20 亳 50.
6.
5. 仂 560
于亠舒 仆舒于亠仂仄 亟亠亠亳仂仄 1.仂亳仆亠.
7.
6. 舒仄舒 亟亠亠亳
5.仂亳仆亠 于亠舒 弍仂亠仄 90.
8.
7. 亰舒仆舒. 仂亟亳
舒仆舒 仂 亠亟仂仍亠亟 舒仆从亳 舒亟亳: 舒)230+(2*10)= 弍)(450+90)+60= 于)520+(20+40)= 亞) (5*10)+890=
9.
弌弌丐 弌弌
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