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65%x+3.5=3.5

(68+x)×3.5=455 怎么解 68+x=130 x=130-68 x=62

详细步骤写在纸上了,行家正解

3.5x-x=3.65 (3.5-1)x=3.65 2.5x=3.65 x=3.65除以2.5 x=1.46

=3.2×6.5+3.2×3.5=3.2×(6.5+3.5)=3.2×10=32

3.25x3.5+32.5x0.65 =3.25x3.5+3.25x6.5 =3.25x(3.5+6.5) =3.25x10 =32.5

解设小鹿身高为x米 3.5x-x=3.65 2.5x=3.65 x=3.65÷2.5 x=1.46 答:小鹿身高为1.46米.

2.4x3.5+65x0.24 =2.4x3.5+6.5x2.4 =2.4x(3.5+6.5) =2.4x10 =24

等于3.4

x+3.65=3.5x 3.5x-x=3.65 2.5x=3.65 x=3.65/2.5 x=1.46 谢谢,请采纳

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