题目内容
5.26×99+5.26+4.74×103-4.74×3.
解:5.26×99+5.26+4.74×103-4.74×3,
=5.26×(99+1)+4.74×(103-3),
=5.26×100+4.74×100,
=(5.26+4.74)×100,
=10×100,
=1000.
分析:先运用乘法分配律,结果为5.26×100+4.74×100,再运用乘法分配律简算.
点评:此题主要考查了学生运用乘法分配律简算.
=5.26×(99+1)+4.74×(103-3),
=5.26×100+4.74×100,
=(5.26+4.74)×100,
=10×100,
=1000.
分析:先运用乘法分配律,结果为5.26×100+4.74×100,再运用乘法分配律简算.
点评:此题主要考查了学生运用乘法分配律简算.
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