0.5x0.46+0.5x0.54
=0.5x(0.46+0.54)
=0.5x1
=0.5
解:0.5 x 0.46 + 0.5 x 0.54
= 5/10 × 46/100 + 5/10 × 54/100
= 5/10 × (46/100 + 54/100)
= 5/10 × 1
= 1/2
= 0.5
=0.5X(0.46+0.54)
=0.5X1
=0.5
图
0.5x0.46+0.5x0.54
=0.5x(0.46+0.54)
=0.5x1
=0.5