Matma - Oblicz , pamiętając o kolejności wykonywania działań.
1. (5 3/7 - 3 2/5) x 7
2. 3 4/5 + 2 5/12 x 6
3. 3 1/4 : 4 + 1 1/8 x 2
4. 2 4/5 : 7 x 8 =
5. 6 x 3 1/3 : 5
Dzięki z góry : )
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1.(5i3/7-3i2/5)*7=(38/7-17/5)*7=(190/35-119/35)*7=71/35*7=497/35=14i1/5
2.3i4/5+2i5/12*6=19/5+29/12*6=228/60+145/60*6=228/60+870/60=1098/60=18i3/10
3.3i1/4:4+1i1/8*2=13/4*1/4+9/8*2=13/16+18/8=13/16+36/16=49/16=3i1/16
4.2i4/5:7*8=14/5*1/7*8=2/5*8=16/5=3i1/5
5.6*3i1/3:5=6*10/3*1/5=60/3*1/5=20*1/5=4