1)iloraz liczb 3,6i0,09wynosi? 2)zapisz w postaci ułamka zwykłego i skróć 4,75=? i 17,5=? 3)oblicz sposobem pisemnym 7,3-2,869=? 3,52-8,4=? 10,62:3,6=?
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1)
3,6 : 0,09 = 36/10 : 9/100 =36/10 * 100/9 =40
2)
4,75 =475/100 =4 75/100 = 4 3/4
17,5 = 175/10 = 17 5/10 =17 1/2
3)
7,3
- 2,869
---------------
=4,431
3,52
- 8,4
--------------
=-4,88
2,0
---------
10,62 :3,6 =
- 7,2
--------
3 ,42
- 0
-------------
3,22
czyli 10,62 : 3,6 = 2 i 3,42reszty (2*3,6)+3,42=7,2+3,42=10,62
1)
2)
3)
7,300
-2,869
______
4,431
8,40
-3,52
_____
4,88
2,95
________
106,2:36
- 72
342
- 324
180
180
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