234×12400+76600×124的简便计算怎么写?
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解,原式=234x(124x100)+76600x124
=234x100x124+76600x124
=(23400+76600)x124
=100000x124
=12400000
=234x100x124+76600x124
=(23400+76600)x124
=100000x124
=12400000
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逆用乘法分配律
234×12400+76600×124
=234×12400+766×12400
=(234+766)×12400
=1000×12400
=12400000
234×12400+76600×124
=234×12400+766×12400
=(234+766)×12400
=1000×12400
=12400000
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这道题的简便计算具体过程如下:
234*12400+76600*124
=23400*124+76600*124
=(23400+76600)*124
=100000*124
=12400000
234*12400+76600*124
=23400*124+76600*124
=(23400+76600)*124
=100000*124
=12400000
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234X12400十76600X124
=234X124X100十766X100X124
=124X100X(234十766)
=12400X1000
=12400000
=234X124X100十766X100X124
=124X100X(234十766)
=12400X1000
=12400000
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234X12400十76600X124
=234X124X100十766X100X124
=124X100X(234十766)
=12400X1000
=12400000
=234X124X100十766X100X124
=124X100X(234十766)
=12400X1000
=12400000
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