8/9 × 15/36 + 1/27
=10/27+1/27
=11/27
8/9 × 15/36 + 1/27
3个回答
相关问题
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1.8/9 × 15/36 + 1/27 2.12× 5/6 – 2/9 ×3
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8/9*15/36+1/27简算 有过程
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算一算． 3 14 ×28 = 2 15 ×25 = 4× 1 5 = 3 8 × 2 9 = 27× 5 36 = 1
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3÷〔9×（ 1 27 - 1 36 ）〕×12
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2÷[（[1/27]-[1/36]）×9]×6
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用简便方法计算． 5 7 × 14 15 × 3 8 ( 1 3 - 1 9 )× 27 31 8 9 × 3 4 +
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计算：15×15＝ 23×27＝ 34×36＝ 71×79＝
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(1/3+1/5)×15=?(1/9+1/3)×27=?(1/6+1/4)×36=?89×7/88=?要简便运算,
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12÷［（1÷27―1÷36）×9］×6
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1.36÷0.991______1.36 74.9×0.5______74.9． 18.9×1.5______15×1.