4.48*4+6.25/0.25-4简便计算?
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4.48×4+6.25/0.25-4
=4.48×4+6.25/(1/4)-4
=4.48×4+6.25×4-1×4
=4×(4.48+6.25-1)
=4×9.73
=38.92
=4.48×4+6.25/(1/4)-4
=4.48×4+6.25×4-1×4
=4×(4.48+6.25-1)
=4×9.73
=38.92
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原式=4.48×4+25-4=38.92
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4.48×4+6.25/0.25-4
=4.48x4+6.25x4/0.25×4-4
=4.48x4+6.25x4-4
=(4.48+6.25-1)x4
=9.73x4
=38.92
=4.48x4+6.25x4/0.25×4-4
=4.48x4+6.25x4-4
=(4.48+6.25-1)x4
=9.73x4
=38.92
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4.48×4+6.25/0.25-4
=(5-0.52)×4+625/25-4
=5×4-0.52×4+25-4
=20-2.08+21
=41-2.08
=38.92
=(5-0.52)×4+625/25-4
=5×4-0.52×4+25-4
=20-2.08+21
=41-2.08
=38.92
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