23x0.1+2.3x9.9怎么样简便计算

2025-04-17 00:18:42
推荐回答(4个)
回答1:

你好:
23x0.1+2.3x9.9
=2.3x1+2.3x99
=2.3x(99+1)
=2.3X100
=230
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回答2:

23x0.1+2.3x9.9
=23x0.1+23x0.99
=23x(0.1+0.99)
=23x1.09
=23x(1.1-0.01)
=25.3-0.23
=25.07

回答3:

回答4:

23×(0.1+0.99)