(-1/2+1/4-1/8)÷1/16等于多少,
问题描述:
(-1/2+1/4-1/8)÷1/16等于多少,
答
(-1/2+1/4-1/8)÷1/16
=(-1/2+1/4-1/8)x16
=-1/2x16+1/4x16-1/8x16
=-8+4-2
=-6