简算:3.2×25

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简算:3.2×25
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简算:3.2×25
简算:3.2×25

简算:3.2×25
3.2×25
=0.8x4x25
=0.8x100
=80

3.2x25
=25x4x0.8
=100x.08
=80

3.2×25
=8×(0.4×25)
=8×10
=80

3.2×25
=0.8*4*25
=0.8*100
=80

3.2×25
=8×0.4×25
=8×10
=80