1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕〔1.75(1又2/3+19/21)-5.5〕1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕-〔1.75(1又2/3+19/21)-5.5〕

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/25 16:13:04
1/4×〔4.85÷5/18-(3.6-6.15×3又3/5)〕〔1.75(1又2/3+19/21)-5.5〕1/4×〔4.85÷5/18-(3.6-6.15×3又3/5)〕-〔1.75(1又2/3+

1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕〔1.75(1又2/3+19/21)-5.5〕1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕-〔1.75(1又2/3+19/21)-5.5〕
1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕〔1.75(1又2/3+19/21)-5.5〕
1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕-〔1.75(1又2/3+19/21)-5.5〕

1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕〔1.75(1又2/3+19/21)-5.5〕1/4×〔4.85÷5/18-(3.6-6.15×3又 3/5)〕-〔1.75(1又2/3+19/21)-5.5〕
1/4*〔97/20*18/5-(3.6-123*18/100)〕-〔7/4*(54/21)-5.5〕
=1/4*(220*18/100-3.6)-9/2+11/2
=9+1
=10
都化成分数就可以了,不用计算的,都有简便方法的.

10

7.3

10