99.9×22.2+3.33×333+3.33用简便计算?
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99.9x22.2+3.33x333+3.33简便运算:
99.9x22.2+3.33x333+3.33
=3.33x30x22.2+3.33x333+3.33
=3.33x(666+333+1)
=3.33x1000
=3330
99.9x22.2+3.33x333+3.33
=3.33x30x22.2+3.33x333+3.33
=3.33x(666+333+1)
=3.33x1000
=3330
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333×3×2.22+3.33×333+3.33=333×9.99+3.33=999×3.33+3.33=3330
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99.9×22.2+3.33×333+3.33
=3.33×(666+333+1)
=3.33×1000
=3330
=3.33×(666+333+1)
=3.33×1000
=3330
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简便计算
99.9×22.2+3.33×333+3.33
=333×6.66+3.33×333+333×0.01
=333×(6.66+3.33+0.01)
=333×10
=3330
99.9×22.2+3.33×333+3.33
=333×6.66+3.33×333+333×0.01
=333×(6.66+3.33+0.01)
=333×10
=3330
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