5.84-3.9÷0.4×0.92的简便计算
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5.84-3.9÷0.4×0.92
=5.84-3.9×5÷2×0.92
=5.84-3.9×5×0.46
=5.84-3.9×2.3
=5.84-(4-0.1)×2.3
=5.84-4×2.3+2.3×0.1
=-3.13
=5.84-3.9×5÷2×0.92
=5.84-3.9×5×0.46
=5.84-3.9×2.3
=5.84-(4-0.1)×2.3
=5.84-4×2.3+2.3×0.1
=-3.13
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