+12-10+18=48 Agar ifodada (x) yoki (:)amallari ishtirok etsa,ushbu sonli ifodani chapdan o’ngga navbat bilan bajaramiz

Matematika 2-sinf
Mavzu:Amallar tartibini mustahkamlash
Sonli ifodalar qanday bajariladi?
Agar ifodada (+) yoki (-) amallari ishtirok etsa,ushbu sonli ifoda chapdan o’ngga navbat bilan bajariladi.
28+12-10+18=48
1
2
3
Agar ifodada (x) yoki (:)amallari ishtirok etsa ,ushbu sonli ifodani chapdan o’ngga navbat bilan bajaramiz.
35:7x4=5x4=20
1)35:7=5
2)5x4=20
1
2
Agar ifodada ( ) ishtirok etsa,avval qavs ichidagi amallar bajariladi.
28: (5x3-11)=
1)5x3=15
2)15-11=4
3)28:4=7
3
1
2
7
Mustahkamlaymiz:
(32+20:5):9=
Tekshiramiz:
(32+20:5):9=
1)20:5=4
2)32+4=36
3)36:9=4
4
4
Mustaqil bajaring:
18- 12 +24=
56:7x3=
(64:8+4):6=
45:9x6+10=
30
24
2
40
E’tiboringiz uchun rahmat!
Tayyorladi: D.G`ufronova