Question

4.1×53-5.3×21简便？

Answer 1

你好！
一个数扩大10倍，另一个数缩小10倍，答案是不变的。
简便计算：
4.1×53-5.3×21
=41x5.3-5.3x21
=（41-21）x5.3
=20x5.3
=106

Answer 2

希望采纳

Answer 3

4.1×53-5.3×21
=41×5.3-5.3×21
=（41-21）×5.3
=20×5.3
=106

Answer 4

如图所示

Answer 5

原式=41×5.3-5.3×21=5.3（41-21）=5.3×20=106.