4+2.7=6.7,
1.25×8=10,
6.4÷8=0.8,
0.63+0.27=0.9,
1÷3=
1
3 ,
7+3.2=10.2,
5.5÷5=1.1, 4×0.25=1, 6-0.3=5.7, 4x+6x=10x, 3b-b=2b, 9.8-4=5.8.
4+2.7=6.7,
1.25×8=10,
6.4÷8=0.8,
0.63+0.27=0.9,
1÷3=
1
3 ,
7+3.2=10.2,
5.5÷5=1.1, 4×0.25=1, 6-0.3=5.7, 4x+6x=10x, 3b-b=2b, 9.8-4=5.8.