有理数加减法,乘除法的混合运算~-(-32)-{-7+[1-2/3*(-0.6)]/(-02)} 2/3是三分之二 /是除
问题描述:
有理数加减法,乘除法的混合运算~-(-32)-{-7+[1-2/3*(-0.6)]/(-02)} 2/3是三分之二 /是除
答
-(-32)-{-7+[1-2/3*(-0.6)]/(-0.2)} 2/3
=32-{-7+[1+0.4]/(-0.2)} 2/3
=32-(-7-7) 2/3
=32-(-14)2/3
=32+28/3
=124/3