题目内容
5.6×6+5.6×3+5.6的正确算法是
- A.5.6×(6+3)
- B.5.6×(6+3+1)
- C.5.6×6+3+1
- D.5.6×(6+3+1)
B
分析:在计算5.6×6+5.6×3+5.6,把最后一个5.6看做5.6×1,运用乘法分配律简算.
解答:5.6×6+5.6×3+5.6,
=5.6×(6+3+1),
=5.6×10,
=56.
故选:B.
点评:此题考查了乘法分配律的正确运用情况.
分析:在计算5.6×6+5.6×3+5.6,把最后一个5.6看做5.6×1,运用乘法分配律简算.
解答:5.6×6+5.6×3+5.6,
=5.6×(6+3+1),
=5.6×10,
=56.
故选:B.
点评:此题考查了乘法分配律的正确运用情况.
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