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怎样简便就怎样算.
4.27÷0.7×1.3  
18.9-18.9÷1.4  
8×4.6+3.5×8+4.4×8.
人气:344 ℃ 时间:2019-11-24 18:26:12
解答
(1)4.27÷0.7×1.3
=6.1×1.3,
=7.93;
(2)18.9-18.9÷1.4
=18.9-13.5,
=5.4;
(3)8×4.6+3.5×8+4.4×8
=(4.6+4.4+3.5)×8,
=12.5×8,
=100.
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