13.9×5.43+13.9×5.43简便计算
问题描述:
13.9×5.43+13.9×5.43
简便计算
答
13.9提出来
=13.9*(5.43+5.43)
=150.954
答
13.9x(5.43+5.43)
=13.9x10.86
=150.954
请采纳
答
13.9乘5.43乘2
答
13.9*(5.43+5.43)
答
13.9×5.43+13.9×5.43
=2×(13.9×5.43)
=2×13.9×5.43
=27.8×5.43
=120.954
或者
13.9×5.43+13.9×5.43
=13.9×(5.43+5.43)
=13.9×10.86
=150.954
答
13.9×(5.43+5.43)=13.9×10.86=150.954
答
13.9x(5.43+5.43)
=13.9x10.86
=150.954