2317-1217-517 | 16.8÷(4.3×2-0.2) | 36÷[(56-23;)×3] |
7.5×46.7+52.3×7.5+7.5 | 6×14+13÷4-19×0.25. |
①2317-1217-517,根據(jù)整數(shù)減法的計算法則直接進行計算; ②16.8÷(4.3×2-0.2),按照小數(shù)四則運算的計算法則進行計算; ③36÷[(56-23)×3],按照小數(shù)四則運算的計算法則進行計算; ④7.5×46.7+52.3×7.5+7.5,運用乘法分配律進行簡算; ⑤6×14+13÷4-19×0.25.按照小數(shù)四則運算的計算法則進行計算. 解答:
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