Nazorat ishlarini o‘tkazish yuzasidan tavsiyalar

Javoblar:

I variant

1. Agar a = 18, b = 3 bo‘lsa, 18+3=21 18-3=15 18*3=54 18:3=6

2. Yig‘indini songa bo‘ling: (18 + 12) : 3 = 10 (25 + 15) : 5 = 8

3. Misollarni yeching: 42 : 2 = 21 56 : 4 = 14 84 : 6 = 14

4. 100 : 25 = 4 4 : 2 = 2 marta borib 2 kelish kerak

5. 45- ( 24+ 24 : 2 ) = 45- 36 = 9 Uchinchi navbatchi 9 stakan sut keltirgan

II variant

1. Agar a = 24, b = 4 24+4=28 24-4=20 24· 4=96 24:4=6

2. Yig‘indini songa bo‘ling: (24 + 16) : 4 = 10 (32 + 16) : 8 = 6

3. Misollarni yeching: 24 : 2 = 12 36 : 3 =12 65 : 5 = 12

4. 80:20=4 4:2=2 marta borib 2 kelish kerak

5. 4·7=28 3·9=27 28+27=55 hammasi bo‘lib 55 ta baliq bor