如题所述
第1个回答 2020-09-17
简便计算为
60.2*8.2
=(60+0.2)*8.2
=60*8.2+0.2*8.2
=492+1.64
=493.64本回答被网友采纳
60.2*8.2
=(60+0.2)*8.2
=60*8.2+0.2*8.2
=492+1.64
=493.64本回答被网友采纳
第2个回答 2020-09-17
原式=(60+0.2)×(8+0.2)=480+12+1.6+0.04=493.64希望采纳。
第3个回答 2020-09-17
60.2×8.2
=(60+0.2)×8.2
=60×8.2+0.2×8.2
=492+1.64
=493.64
=(60+0.2)×8.2
=60×8.2+0.2×8.2
=492+1.64
=493.64