Question

8.43×0.52+0.157×5.2怎么简便计算？

Answer 1

解，原式=0.843x10x0.52+0.157x5.2
=0.843x(10x0.52)+0.157x5.2
=0.843x5.2+0.157x5.2
=(0.843+0.157)x5.2
=1x5.2
=5.2

Answer 2

8.43x0.52十0.157x5.2
＝0.843x5.2十0.157x5.2
＝（0.843十0.157）x5.2
＝1x5.2
＝5.2

Answer 3

8.43×0.52+0.157×5.2
＝0.843×5.2+0.157×5.2
＝（0.843+0.157）×5.2
＝1×5.2
＝5.2

Answer 4

8.43x0.52+0.157x0.52
=0.52x(8.43+1.57)
=0.52x10
=5.2

Answer 5

计算：
8.43×0.52+0.157×5.2
=5.2×(0.843+0.157)
=5.2×1
=5.2
答题完毕。