457+302,103×24,36×41+36×59,25×48的简便计算快啊!

如题所述

第1个回答  2022-06-16
457+302
=457+300+2
=757+2
=759
103×24
=(100+3)×24
=100×24+3×24
=2400+72
=2472
36×41+36×59
=36×(41+59)
=36×100
=3600
25×48
=25×4×12
=100×12
=1200
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