如题所述
第1个回答 2017-05-06
10.1×78简便计算
=(10+0.1)x78
=10x78+0.1x78
=780+7.8
=787.8
=(10+0.1)x78
=10x78+0.1x78
=780+7.8
=787.8
第2个回答 2017-05-06
10.1*78
=(10+0.1)*78
=780+7.8
=787.8本回答被网友采纳
=(10+0.1)*78
=780+7.8
=787.8本回答被网友采纳
第3个回答 2023-02-15
10.1×78
=10*78+0.1*78
=780+7.8
=787.8本回答被网友采纳
=10*78+0.1*78
=780+7.8
=787.8本回答被网友采纳