1- Yozma nazorat ishi

1. Amallarni bajaring:

9,49–(1,5+0,99)

2. Sonli ifodaning qiymatini toping:

3(2·6+7·4)–20

3. Algebraik ifodaning qiymatini toping:

bunda x=5, y=–10;

4. Piyoda 2 soatda 8 km yo‘l bosadi. U 5 soatda necha kilometr yo‘l bosadi? t soatda-chi?

5. O‘xshash hadlarni ixchamlang:

1,2m+3n–1,3n+3m+4,8m–n