1)7,5+46/9=7,5+5,11=12,61
2)48+33/9+45-27=48+3,67+45-27=69,67
3)56/7,8-36/4=7,18-9=-1,82
4)490-445/5,7+249=490-78,07+249=660,93
5)312-231/9+40/7=312-25,67+5,71=292,04
1)7.5+46=53.5
7.5:9=0.83
2)48+33:9=9
48+33+45=126
48+33-27=54
3)56:7-36=-28
56:7:4=2
4)490-445:5=9
490-445+249=294
5)312-231:9=9
312-231+40=121
312-231:7=11.5
1)7,5+46/9=7,5+5,11=12,61
2)48+33/9+45-27=48+3,67+45-27=69,67
3)56/7,8-36/4=7,18-9=-1,82
4)490-445/5,7+249=490-78,07+249=660,93
5)312-231/9+40/7=312-25,67+5,71=292,04
1)7.5+46=53.5
7.5:9=0.83
2)48+33:9=9
48+33+45=126
48+33-27=54
3)56:7-36=-28
56:7:4=2
4)490-445:5=9
490-445+249=294
5)312-231:9=9
312-231+40=121
312-231:7=11.5