Question

2/3+0,8; 1,34-4/25;2/3:15;6/90*(0,6+3,4) решите

Answer 1

1. =2/3+8/10=20/30+24/30 =44/30=1 14/30=1 7/15
2. =134/100-4/25=134/100-16/100 =118/100=1,18
3. 2/3:15/1=(2*1)/(3*15)=2/45
4. 6/90*4=1/15*4=4/15