16×25×15 简算
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16×25×15 简算
16×25×15 简算
16×25×15 简算
16×25×15
=4×4×25×15
=(4×25)×(4×15)
=100×60
=6000
16×25×15
=4×25×4×15
=100×60
=6000
16×25×15 简算
16×25×15 简算
16×25×15 简算
16×25×15
=4×4×25×15
=(4×25)×(4×15)
=100×60
=6000
16×25×15
=4×25×4×15
=100×60
=6000