[简算]473+245-173 327-175-125 698-(387+298
[简算]473+245-173327-175-125698-(387+298)...
[简算]473+245-173 327-175-125 698-(387+298)
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尧祎QV
2014-08-09
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超过55用户采纳过TA的回答
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(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. |
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