Question

4.5X3.6+5.2X0.35怎么写，要过程

Answer 1

4.5x3.6+5.2x0.35
=0.5x9x4x0.9+4x1.3x0.5x0.7
=0.5x4x(9x0.9+1.3x0.7)
=2x(8.1+0.91)
=2x9.01
=18.02

Answer 2

4.5X3.6+5.2X0.35
=16.2+1.82
=18.02

追问

怎么写

追答

0.45×12×0.2
=0.45×0.2×12
=0.09×12
=1.08
6.2×2.1-2.1×0.2
=2.1×（6.2-0.2）
=2.1×6
=12.6
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