- ?
?
- ?
: 311, 313 (. 76).
____________________________
: .
: ; , ; , .
: , ; , ; ; ; ; .
I.
II.
1.
( . . . , .)
1200: 2 = □ 36 000: 12 = □ 5600: 140 = □
□ 7 = □ □:50 = □ □ 150 = □
□: 100 = □ □: 4 = □ □: 120 = □
□ 2 = □ □ 60 = □ □ 130 = □
□ 3 = □ □: 18 = □ □:50 = □
□ 100 = □ □ 200 = □ □ 80 = □
□: 1400 = □ □: 4 = □ □: 20 = □
( , .)
. 7 ? (: 2 7.)
. .? ( (: 2).)
, . , 10 ? (( + ): 10.)
5 , 4 . , ? (: 4 - : 5.)
. 4 , 6 . ? (: ( 4 + 6).)
-.
| + | |||||
| 5 | 6 | 3 | 5 | 0 | |
| + | 5 | 6 | 3 | 5 | 0 |
| 1 | 6 | 9 | 0 | 5 | 0 |
III.
( .)
25:345
6:279
|
|
|
1:699
? ( .)
? (.)
. ( .)
98 010: 363 106 720: 232
572 128: 941 206 824: 412
? (270, 608, 460, 502.)
? ( .)
, . ( . , . , , .)
. ( , .)
IV.
, . 77. ? .
316 (. 77). ( . 1 , 2 - . , . , .)
318 (. 77).
.
? ( .)
? (, , .)
| 1 | }? | 30 . | 4500 . | |
| ? | 45 . | |||
- ?
?
, , ?
, ?
.
(, .)
1) 4500:30 = 150 (.) ;
2) 4500:45 = 100 (.) - ;
3) 150 + 100 = 250 (.) - ;
4) 4500: 250 = 18 (.).
: , 18 .
(, , (. 77 ).)
V.
,
.
.
. ( .)
,
.
,
. ( .)
?
. ( .)
,
, . ( .)
