34.5*2.9+3.45简便方法

Question

34.5*2.9+3.45简便方法

Answer 1

=34.5*2.9+34.5*0.1
=34.5*(2.9+0.1)
=34.5*3
=103.5

Answer 2

34.5×2.9+3.45
=34.5×2.9+34.5×0.1
=34.5×（2.9+0.1）
=34.5×3
=103.5本回答被网友采纳

Answer 3

34.5*2.9+3.45=3.45*29+3.45=3.45*（29+1）=3.45*30=103.5

Answer 4

=34.5×2.9+34.5×0.1
=34.5×（2.9+0.1）
=34.5×3=103.5
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Answer 5

34.5*2.9+3.45简便方法
=34.5x2.9+34.5x0.1
=34.5x(2.9+0.1)
=34.5x3
=103.5