Question

5.6×0.38+0.56×4.7+0.056×15的ns间便方法

Answer 1

=5.6×0.38+5.6×0.47+5.6×0.15=5.6×(0.38+0.47+0.15)=5.6×1=5.6

Answer 2

=0.56×(0.38+4.7+15)

Answer 3

0.56*3.8+0.56*4.7+0.56×1.5

Answer 4

5.6x0.38+5.6x0.47+5.6x0.15

追答

5.6x(0.38+0.47+0.15)

5.6x1

5.6

Answer 5

5.6

追答