如题所述
第1个回答 2014-08-01
0.25X4.78X4
=0.25X4X4.78
=1X4.78
=4.78
=0.25X4X4.78
=1X4.78
=4.78
第2个回答 2023-03-13
0.25×4.78×4=0.25×4×4.78=1×4.78=4.78，
0.65×201=0.65×200+0.65×1=130.65，
102×0.45=100×0.45+2×0.45=45+0.9=45.9，
0.38×2=0.3×2+0.08×2=0.6+0.16=0.76
0.65×201=0.65×200+0.65×1=130.65，
102×0.45=100×0.45+2×0.45=45+0.9=45.9，
0.38×2=0.3×2+0.08×2=0.6+0.16=0.76
