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〕
问题描述:
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〕
答