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计算(1)357+(-154)+26+(-212)=?(2)-5.13+4.62+(-8.47)-(-2.3)=?(3)26×(-41)+(-35)×(-17)=?(4)1.252÷(-44)-(-356)÷(-0.196)=?
题目详情
计算
(1) 357+(-154)+26+(-212)=?
(2) -5.13+4.62+(-8.47)-(-2.3)=?
(3) 26×(-41)+(-35)×(-17)=?
(4) 1.252÷(-44)-(-356)÷(-0.196)=?
(1) 357+(-154)+26+(-212)=?
(2) -5.13+4.62+(-8.47)-(-2.3)=?
(3) 26×(-41)+(-35)×(-17)=?
(4) 1.252÷(-44)-(-356)÷(-0.196)=?
▼优质解答
答案和解析
计算
(1) 357+(-154)+26+(-212)=(357+26)-(154+212)=383-366=17
(2) -5.13+4.62+(-8.47)-(-2.3)=?
=-(5.13+8.47)+4.62+2.3
=-13.6+6.92
=-6.68
(3) 26×(-41)+(-35)×(-17)=?
=-1066+595
=-471
(4) 1.252÷(-44)-(-356)÷(-0.196)=?
=-313/11000-89000/49
=-1816.35
(1) 357+(-154)+26+(-212)=(357+26)-(154+212)=383-366=17
(2) -5.13+4.62+(-8.47)-(-2.3)=?
=-(5.13+8.47)+4.62+2.3
=-13.6+6.92
=-6.68
(3) 26×(-41)+(-35)×(-17)=?
=-1066+595
=-471
(4) 1.252÷(-44)-(-356)÷(-0.196)=?
=-313/11000-89000/49
=-1816.35
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