205
Tonna. Sentner ..................................................................95
O‘tilganlarni mustahkamlash .............................................97
Yozma qo‘shish va ayirish
Xonadan o‘tmasdan qo‘shish ........................................ 100
Xonadan o‘tmasdan ayirish ........................................... 101
O‘nlikdan o‘tib qo‘shish .................................................. 102
Yuzlikdan o‘tib qo‘shish ............................................... 104
O‘nlikdan va yuzlikdan o‘tib qo‘shish ........................... 105
Vaqt o‘lchov birliklari. Soat, minut, sutka .................... 107
Yil, oy, hafta ................................................................... 109
O‘tilganlarni mustahkamlash .......................................... 110
O‘nlikdan o‘tib ayirish..................................................... 113
Yuzlikdan o‘tib ayirish .................................................... 115
O‘nlikdan va yuzlikdan o‘tib ayirish .............................. 117
504
–
265 ko‘rinishdagi ifodalar ..................................... 119
x
+
125
=
142, 156
+
x
=
342 ko‘rinishdagi tenglamalar 120
x
–
125
=
142, 236
–
x
=
158 ko‘rinishdagi tenglamalar 122
x
–
305
=
601
–
98, 917
–
x
=
328
–
39 ko‘rinishdagi
tenglamalar .................................................................. 123
O‘tilganlarni mustahkamlash .......................................... 124
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