35.5+(2.8-0.8)÷80% 5.6×(480%-480%-150%) 1/5×370%+35.5+(2.8-0.8)÷80%5.6×(480%-480%-150%)1/5×370%+630%×1/5+440%这几个题的简算!

问题描述:

35.5+(2.8-0.8)÷80% 5.6×(480%-480%-150%) 1/5×370%+
35.5+(2.8-0.8)÷80%
5.6×(480%-480%-150%)
1/5×370%+630%×1/5+440%
这几个题的简算!

(1)38(2)—8.4(3)6.4