Oblicz :
0,2+3/4
1/3-0,1
1/2+0,308
2,71-2/5
1/4*o,4
2/7*0,3
1 3/4 : 0,1
0,6 : 3/4
/-kreska ułamkowa
*-mnożenie
0,95
0,025
0,808
2,31
1/10
3/35
32 1/2
4/5
0,2+3/4=0,2+0,75=0,95
1/3-0,1=1/3-1/10=10/30-3/30=7/30
1/2+0,308=0,5+0,308=0,808
2,71-2/5=2,71-0,4=2,31
1/4*0,4=1/4*4/10=1/10
2/7*0,3=2/7*3/10=6/70
1 3/4:0,1=7/4:1/10=7/4*10/1=70/4=17 2/4=17 1/2
0,6:3/4=6/10*4/3=8/10=0,8
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0,95
0,025
0,808
2,31
1/10
3/35
32 1/2
4/5
/-kreska ułamkowa
0,2+3/4=0,2+0,75=0,95
1/3-0,1=1/3-1/10=10/30-3/30=7/30
1/2+0,308=0,5+0,308=0,808
2,71-2/5=2,71-0,4=2,31
1/4*0,4=1/4*4/10=1/10
2/7*0,3=2/7*3/10=6/70
1 3/4:0,1=7/4:1/10=7/4*10/1=70/4=17 2/4=17 1/2
0,6:3/4=6/10*4/3=8/10=0,8