1. 11-10,2175=0,7825 2. 11-7,87=3,13 3.0,7825:3,13=0,25 4. 0,07*0,5=
=0,035 5.0,035+2,746=2,781 6. 6,7*0,5=3,35 7.1,52+3,89-3,35=2,06
8. 2,781: 2,06=1,35 9. 0,25+1,35=1,6 10 .7-6,5=0,5 11. 1,6 :0,5=3,2
1.48,18:2,75=17,52 2.3,27+4,26=7,53 3. 17,52-7,53=9,99 4. 6,07*3,04=
18,4528 5. 18,4528-3,4528=15 6. 9,99:15=0,666 7. 0,01334:
:0,01=1,334 8. 0,666+1,334= 2 9.240,9: 5,5=43,8 10. 43,8-
-3,8=40 2:40=0,05