展开全部
9.25×9.9+0.925
=9.25×9.9+9.25×0.1
=9.25×(9.9+0.1)
=9.25×10
=92.5
9.25×9.9+0.925
=0.925×99+0.925
=0.925×(99+1)
=0.925×100
=92.5
=9.25×9.9+9.25×0.1
=9.25×(9.9+0.1)
=9.25×10
=92.5
9.25×9.9+0.925
=0.925×99+0.925
=0.925×(99+1)
=0.925×100
=92.5
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展开全部
9.25x9.9+0.925
=9.25x9.9+9.25x0.1
=9.25x(9.9+0.1)
=9.25x10
=92.5
=9.25x9.9+9.25x0.1
=9.25x(9.9+0.1)
=9.25x10
=92.5
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评论
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