如题所述
第1个回答 2019-09-17
5.63*9.9+0.563
=5.63*9.9+5.63*0.1
=5.63*(9.9+0.1)
=5.63*10
=56.3本回答被网友采纳
=5.63*9.9+5.63*0.1
=5.63*(9.9+0.1)
=5.63*10
=56.3本回答被网友采纳
第2个回答 2019-09-17
5.63*9.9+0.563
=0.563x99+0.563
=0.563x(99+1)
=0.563x100
=56.3
=0.563x99+0.563
=0.563x(99+1)
=0.563x100
=56.3
第3个回答 2019-09-17
原式
=5.63*9.9+5.63*0.1
=5.63*(9.9+0.1)
=5.63*10
=56.3
=5.63*9.9+5.63*0.1
=5.63*(9.9+0.1)
=5.63*10
=56.3
第4个回答 2019-09-17
原式=0.563×99+0.563=0.563×100=56.3。
第5个回答 2022-09-20
(a+b)c=ac+bc 还有另一种表示法:a(b+c)=ab+ac