1/4 ułamek
16 1/4 * 2,5 - 4,25 : 0,8 =?
(3/4 + 6,4 : 8/15=?
1 2/3 * (3,6 + 4 1/5=?
[(16 2/7 * 1 3/4 + 8,4) 1/2 - 6,5 ]: 2,5=?
(2/9 + 1,4) * 3 3/5 + 6 1/4 : 2,5 =?
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16 i 1/4*2,5-4,25:0,8=16,25*2,5-5,3125=40,625-5,3125=35,3125
(3/4+6,4):8/15=(3/4+6 i 4/10):8/15=(30/40+6 i 16/40):8/15=6 i 46/40 * 15/8=
=106/40 * 15/8=159/32= 4 i 31/32
1 i 2/3*(3,6+4 i 1/5)=1 i 2/3*(3 i 6/10+4 i 1/5)=1 i 2/3(3 i 6/10+4 i 2/10)= 5/3*
*(7 i 8/10)=5/3*78/10=13
W załącznikach.
Liczę na Naj.