32.5×9.9+325的简便运算?
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32.5×9.9+325的简便运算
=32.5×9.9+32.5×10
=32.5×(9.9+10)
=32.5×19.9
=32.5×(20-0.1)
=32.5×20-32.5×0.1
=650-3.25
=646.75
=32.5×9.9+32.5×10
=32.5×(9.9+10)
=32.5×19.9
=32.5×(20-0.1)
=32.5×20-32.5×0.1
=650-3.25
=646.75
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32.5x(10-0.1)+325
=32.5x10-32.5x0.1+325
=325-3.25+325
=650-3.25
=646.75
=32.5x10-32.5x0.1+325
=325-3.25+325
=650-3.25
=646.75
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32.5×9.9+325的简便运算是
32.5×9.9+325
=32.5×(10-0.1)+325
=325-32.5×0.1+325
=650-3.25
=646.75
32.5×9.9+325
=32.5×(10-0.1)+325
=325-32.5×0.1+325
=650-3.25
=646.75
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