
3.25×4.8+32.5×0.25简便运算?
2个回答
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3.25×4.8+32.5×0.25
=3.25×4.8+3.25×2.5
=3.25×(4.8+2.2)+3.25×0.3
=3.25×7+0.975
=22.75+0.975
=23.825
=3.25×4.8+3.25×2.5
=3.25×(4.8+2.2)+3.25×0.3
=3.25×7+0.975
=22.75+0.975
=23.825
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