早教吧 育儿知识 作业答案 考试题库 百科 知识分享

计算.(能简算的要简算)300-273÷91-70125×32×25365×127-27×3658.27-1.35+1.73-4.65.

题目详情
计算.(能简算的要简算)
300-273÷91-70
125×32×25
365×127-27×365
8.27-1.35+1.73-4.65.
▼优质解答
答案和解析
(1)300-273÷91-70,
=300-3-70,
=300-70-3,
=230-3,
=227;
(2)125×32×25,
=125×(8×4)×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(3)365×127-27×365,
=365×(127-27),
=365×100,
=36500;
(4)8.27-1.35+1.73-4.65,
=(8.27+1.73)-(1.35+4.65),
=10-6,
=4.