#228
5.7×4.2=23.94
9,7×8,27=80.219
0,38×4,7=1,786
25,45×0.8=20,36
27,25×4=109
0,035×0,24=0.0084
#229
12,7×0.8-9,4×0,8=2,64
(42-17,36)×0,06=1,4784
