3/4кг = 250г
7/10кг = 700г
3ц = 300000г
2/25кг = 80г
1)245
* 10
---------
2450
2)2450
- 2300
------------
150
3)805
*712
--------
1610
805
5635
-----------
573160
4)150
*834
----------
600
450
1200
------------
125100
5) 501
*604
----------
2004
3006
------------
302604
6) 573160
+105100
--------------
678260
7)678260
-302604
--------------
375656
(2/9 + (1/3)^2 + 3 1/3) : 11/17 =
(2/9 + 1/9 + 10/3) : 11/17 =
(3/9 + 10/3) : 11/17 =
(1/3 + 10/3) : 11/17 =
11/3 : 11/17 =
11/3 * 17/11 =
17/3 = 5 2/3
5*5=25
6*6=36
1*любое число
2*2=4
3*3=9