3-sinf matematika 15-dars

3-sinf matematika mavzu: xona qo’shiluvchilari yig’indisi 122 = 1 ta yuzlik 12 ta o’nlik 20000 8000 500 70 0 290007= 200000+ 90000+ 7 150004= 100000+ 50000+ 4 230000= 200000+ 30000 5 4 3 2 1 9 0 4 7 0 6 5 8 3 0 9 0 2 1 9 3 6 0 7 1 0 t - 50 – 600 = 4000 t - 50 = 4000 + 600 t - 50 = 4600 t = 4600 + 50 t = 4650 x–70–300–40000=500000 x–70=500000+300+40000 x–70=540300 x=540300+70 x=540370 kichik asteroid – 578 ta katta asteroid–?, 134 ta kam asteroidlardan-376 ta kam kometa jami –? ta kosmik jism yechish: 1) 578 – 134 = 444 ta 2) 578 + 444 = …

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