Zad 57 str 51 1gim
A) 1,2*5/2 4 1/4:0.01
------------- * ---------------
0,16*1/4 6,25 *4/25
B) 0,5+0,2*0,6 0,7+0,2*1/4
------------------ + -------------------
3/4 - 7:10 0,7-0,4*1/2
C) 3+ 2 1/2*0,3 4+0,1*10
--------------------- * -----------------
3 3/4:(4,8-3*0,6) 1,6*5
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a) 3/17
b)13,9
c)jedna cała i 7/8