
34点八乘六点三加十三乘以5.25加473乘零点三七,简便方法.
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34.8×6.3+13×1.25+473×0.37
=348×0.63+0.13×125+348×0.37+125×0.37
=348×(0.63+0.37)+(0.13+0.37)×125
=348×1+0.5×125
=348+62.5
=410.5
=348×0.63+0.13×125+348×0.37+125×0.37
=348×(0.63+0.37)+(0.13+0.37)×125
=348×1+0.5×125
=348+62.5
=410.5
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