题目内容
8.1×1.3-8×1.3+1.9×1.3+11.9÷1.36．
解：8.1×1.3-8×1.3+1.9×1.3+11.9÷1.36，
=（8.1-8+1.9）×1.3+11.9÷1.36，
=2×1.3+8.75，
=2.6+8.75，
=11.35．
分析：本题运用乘法分配律简算8.1×1.3-8×1.3+1.9×1.3，然后按运算顺序解答．
点评：完成本题要注意分析式中数据，运用合适的简便方法计算．
=（8.1-8+1.9）×1.3+11.9÷1.36，
=2×1.3+8.75，
=2.6+8.75，
=11.35．
分析：本题运用乘法分配律简算8.1×1.3-8×1.3+1.9×1.3，然后按运算顺序解答．
点评：完成本题要注意分析式中数据，运用合适的简便方法计算．
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