Noma’lum qo’shiluvchini toping: X + 320 = 590
512 b) 612 c) 270 d) 217
Davron bozordan 13 kg olma va shuncha o’rik ham oldi. Davron hammasi bo’lib necha kg. meva olgan?
38 kg b) 26 kg c) 30 kg d) 20 kg
Amallarni bajaring: 72 : 1 + 0 · 10 =
72 b) 40 c) 0 d) 65
1 ta daftarning narxi 700 so’m. 1000 so’mga nechta daftar olish mumkin? Necha so’m ortib qoladi?
1 ta (400 so’m) b) 1 ta (50 so’m) c) 3 ta (100 so’m) d) 1 ta (300 so’m)
Noma’lum kamayuvchini toping: X – 400 = 436 – 122
568 b) 714 c) 760 d) 768
Misollarni yeching: 100 · 2 = 720 : 9 =
200, 80 b) 16, 400 c) 500, 60 d) 80, 400
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