七分之三×120%+3.5-2.6%=

问题描述:

七分之三×120%+3.5-2.6%=

七分之三×120%+3.5-2.6%= 3.99���ʣ���ʽ���д��ԭʽ=3/7 �� 1.2 + 3.5 -0.026 =0.514+3.5- 0.026 =3.988