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用简便方法计算167+289+33+1148×125×2×823×52+52×7789×101.

题目详情
用简便方法计算
167+289+33+11   48×125×2×8    23×52+52×77 89×101.
▼优质解答
答案和解析
解①167+289+33+11,
=(167+33)+(289+11),
=200+300,
=500;

②48×125×2×8,
=(48×2)×(125×8),
=96×1000,
=96000;

③23×52+52×77,
=(23+77)×52,
=100×52,
=5200;

④89×101,
=89×100+89×1,
=8900+89,
=8989.