一又二分之一除以负三分之二等于几
问题描述：
一又二分之一除以负三分之二等于几
答
原式=(2/3)²×(-3/2)-(-2/3)²-1/2÷(-3/2)²
=4/9×(-3/2)-4/9-1/2÷9/4
=4/9×(-3/2)-4/9-1/2×4/9
=4/9×(-3/2-1-1/2)
=4/9 × (-3)
=-4/3
满意请采纳。
答
一又二分之一乘负三分之二=-9/4