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[简算]473+245-173327-175-125698-(387+298)

题目详情
[简算]
473+245-173
327-175-125 698-(387+298)
▼优质解答
答案和解析
(1)473+245-173
=473-173+245
=300+245
=545;

(2)327-175-125
=327-(175+125)
=327-300
=27;

(3)698-(387+298)
=698-298-387
=400-387
=13.