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0.25+(-3又8分之1)+(-4分之1)+(-5又4分之3)利用运算律(+13又2/5)-(+55又1/6)+(+7又3/5)+(-14又5/6)-(-11.702)0-29.8-17.5+16.5-2.2+7.54又2/3+[8.6-(+3又2/3)+(-7/5)]+(-2又3/5)
题目详情
0.25+(-3又8分之1)+(-4分之1)+(-5又4分之3)利用运算律
(+13又2/5)-(+55又1/6)+(+7又3/5)+(-14又5/6)-(-11.702)
0-29.8-17.5+16.5-2.2+7.5
4又2/3+[8.6-(+3又2/3)+(-7/5)]+(-2又3/5)
(+13又2/5)-(+55又1/6)+(+7又3/5)+(-14又5/6)-(-11.702)
0-29.8-17.5+16.5-2.2+7.5
4又2/3+[8.6-(+3又2/3)+(-7/5)]+(-2又3/5)
▼优质解答
答案和解析
那一幕ss,
0.25+(-3又1/8)+(-1/4)+(-5又3/4)
=1/4-1/4-3又1/8-5又3/4
=-8又7/8
(+13又2/5)-(+55又1/6)+(+7又3/5)+(-14又5/6)-(-11.702)
=(13又2/5+7又3/5)-(55又1/6+14又5/6)+11.702
=21-70+11.702
=-37.298
0-29.8-17.5+16.5-2.2+7.5
=-29.8-2.2-17.5+7.5+16.5
=-32-10+16.5
=-25.5
4又2/3+[8.6-(+3又2/3)+(-7/5)]+(-2又3/5)
=4又2/3+8.6-3又2/3-7/5-2又3/5
=(4又2/3-3又2/3)+(8.6-2又3/5)-7/5
=1+6-7/5
=5.6
0.25+(-3又1/8)+(-1/4)+(-5又3/4)
=1/4-1/4-3又1/8-5又3/4
=-8又7/8
(+13又2/5)-(+55又1/6)+(+7又3/5)+(-14又5/6)-(-11.702)
=(13又2/5+7又3/5)-(55又1/6+14又5/6)+11.702
=21-70+11.702
=-37.298
0-29.8-17.5+16.5-2.2+7.5
=-29.8-2.2-17.5+7.5+16.5
=-32-10+16.5
=-25.5
4又2/3+[8.6-(+3又2/3)+(-7/5)]+(-2又3/5)
=4又2/3+8.6-3又2/3-7/5-2又3/5
=(4又2/3-3又2/3)+(8.6-2又3/5)-7/5
=1+6-7/5
=5.6
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