先不管小数点,先算整数108与26的积
| 1 0 8
| × 2 6
|___________
6 4 8
+2 1 6
___________
2 8 0 8
再来看小数.
1.08=108*0.01
2.6=26*0.1
0.01*0.1=0.001
所以
1.08*2.6=108*26*0.001=2808*0.001=2.808
先不管小数点,先算整数108与26的积
| 1 0 8
| × 2 6
|___________
6 4 8
+2 1 6
___________
2 8 0 8
再来看小数.
1.08=108*0.01
2.6=26*0.1
0.01*0.1=0.001
所以
1.08*2.6=108*26*0.001=2808*0.001=2.808