222×7.6+666×0.8怎么简算
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222×7.6+666×0.8
=222×7.6+222×3×0.8
=222×7.6+222×2.4
=222×(7.6+2.4)
=222×10
=2220
=222×7.6+222×3×0.8
=222×7.6+222×2.4
=222×(7.6+2.4)
=222×10
=2220
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222×7.6+666×0.8简算
222×7.6+666×0.8
=222×7.6+222×3×0.8
=222×7.6+222×2.4
=222×(7.6+2.4)
=222×10
=2220
222×7.6+666×0.8
=222×7.6+222×3×0.8
=222×7.6+222×2.4
=222×(7.6+2.4)
=222×10
=2220
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222×7.6+666×0.8=222×(8-0.4)+666×0.8=222×8-222×0.4+666×0.8=222×8-11.1×8+66.6×8=(222-11.1+66.6)×8=(222+55.5)×8=277.5×8=2220
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:222×7.6+666×0.8 =222×7.6+222×3×0.8 =222×7.6+222×2.4 =222×(7.6+2.4) =222×10 =2220
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