用“>”、“<”、“=”号填空;
1个回答

(1)< ,(2)> ,(3)=,(4)

(1)(4)根据正数大于负数可直接比较大小,(2)(3)先把分数化为小数的形式再比较大小.

(1)-0.02<1;

(2)4/5=0.8,3/4=0.75,∴4/5>3/4;

(3)-(-3/4)=3/4=0.75,-[+(-0.75)]=-(-0.75)=0.75,∴-(-3/4)=-[+(-0.75)];

(4)-22/7<3.14.