Question

42.6×9.9+42.6简算？

Answer 1

这确实是简算，因为算式可以看成42.6×（10-0.1）+42.6，这样就可以很容易算出结果

Answer 2

42.6×9.9+42.6
＝咐和罩棚悔42.6×10-42.6×0.1+42.6
＝426+42.6-4.26
＝衡闹468.6-4.26
=464.34

Answer 3

42.6×9.9+42.6 =4.26×99+4.26×10 =4.26×100+4.26×10-4.26 =426+42.6-4.26 =464.34

Answer 4

42.6✖️9.9➕42.6✖️1=42.6✖️(9.9➕卖仿1)=42.6✖️10.9=426➕42.6✖️中空纤0.9=426➕亏孙42.6➖4.26=464.34

Answer 5

42.6×9.9+42.6
=42.6×9.9+4.26+38.34
=42.6×(9.9+0.1)+38.34
=426+38.34
=464.34