(1)-1²-(1-0.5)×1/3×[2-(-3)]²(2)|-7/9|÷(2/3-1/5)-1/3×(-4)²(3)-5×(-11/5)+13×(-11/5)-3÷(-5/11)

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/05 02:59:06

(1)-1²-(1-0.5)×1/3×[2-(-3)]²
(2)|-7/9|÷(2/3-1/5)-1/3×(-4)²
(3)-5×(-11/5)+13×(-11/5)-3÷(-5/11)

1.-1-25/6=-31/6
2.5/3-16/3=-11/3
3.11-143/5+33/5=-11

1、-15.5/3
2、-11/3
3、-11

1
-1-0.5*1/3*(5^2)=-1-1/6*25--1-25/6=-31/6
2
(7/9)/(7/15)-1/3*16=5/3-16/3=-11/3
3
11-143/5+33/5=11-(143/5-33/5)=-11