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用递等式计算:3684÷12+436.5×(2.4-1.6)-1.2×+×2-(+)÷÷[-(1-)].

题目详情
用递等式计算:
3684÷12+43
6.5×(2.4-1.6)-1.2
×+×
2-(+)÷
÷[-(1-)].
▼优质解答
答案和解析
(1)3684÷12+43
=307+43,
=350;

(2)6.5×(2.4-1.6)-1.2
=6.5×0.8-1.2,
=5.2-1.2,
=4;

(3)×+×
=(+)×
=1×
=

(4)2-(+)÷
=2-×
=2-1
=

(5)÷[-(1-)].
=÷[-],
=÷
=