36×314+139×64(简便计算)
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36×314+139×64
=36x(139+175)+139x64
=36x139+36x175+139x64
=139x(36+64)+36x25x7
=139x100+25x4x9x7
=13900+6300
=20200
步骤较多也不算特简便
=36x(139+175)+139x64
=36x139+36x175+139x64
=139x(36+64)+36x25x7
=139x100+25x4x9x7
=13900+6300
=20200
步骤较多也不算特简便
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展开全部
36×314+139×64
=36×(139+175)+139×64
=36×139+36×175+139×64
=(36+64)×139+36×175
=100×139+(40-4)×175
=13900+40×175-4×175
=13900+7000-700
=20900-700
=20200
=36×(139+175)+139×64
=36×139+36×175+139×64
=(36+64)×139+36×175
=100×139+(40-4)×175
=13900+40×175-4×175
=13900+7000-700
=20900-700
=20200
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36×314+139×64
=36×（175+139）+139×64
=36×175+36×139+139×64
=9×4×25×7+（36+64）×139
=63×100+100×139
=（63+139）×100
=202×100
=20200
=36×（175+139）+139×64
=36×175+36×139+139×64
=9×4×25×7+（36+64）×139
=63×100+100×139
=（63+139）×100
=202×100
=20200
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