Har xil ishorali sonlarni qo‘shish va sonlarni ayirish
Javoblar ota-onalar va o‘qituvchilar uchun.
1
−18 + 11 ni hisoblang.
-7
2
6 − 15 ni hisoblang.
-9
3
−7 − (−7) ni hisoblang.
0
4
Eng yuqori harorat +12 °C, eng past −8 °C. Harorat o‘zgarish kengligini toping.
20
5
−2 − 3 − (−5) ni hisoblang.
0