(40+16)×25 简便计算

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(40+16)×25 简便计算
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(40+16)×25 简便计算
(40+16)×25 简便计算

(40+16)×25 简便计算
有两种简便方法:
1、(40+16)×25
=40×25+16×25
=4×25×10+4×25×4
=1000+400
=1400
2、(40+16)×25
=56×25
=4×25×14
=100×14
=1400

(40+16)x25=(60-4)x25=60x25-4x25=1500-100=1400

(40+16)×25
=40×25+16×25
=40×25+4×25×4
=1000+100×4
=1000+400
=1400

(40+16)×25
=40X25+16X25
=1000+400
=1400