① 7 ×(-1+3/14)②(-11/4)-(-121/4)+(+5/3)-(-3/14)- 29/4 +(-16/3)
问题描述:
① 7 ×(-1+3/14)
②(-11/4)-(-121/4)+(+5/3)-(-3/14)- 29/4 +(-16/3)
答
① 7 ×(-1+3/14)
②(-11/4)-(-121/4)+(+5/3)-(-3/14)- 29/4 +(-16/3)