(88*125+125*12)*25*288简便运算
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(88*125+125*12)*25*288简便运算(88*125+125*12)*25*288简便运算(88*125+125*12)*25*288简便运算(88*125+125*12)*25*288
(88*125+125*12)*25*288简便运算
(88*125+125*12)*25*288
简便运算
(88*125+125*12)*25*288简便运算
(88*125+125*12)*25*288
=125*(88+12)*25*4*72
=12500*7200
=12500*8*900
=100000*900
=90000000
原式=(88x125+125x12)x25x288
=(88+12)x125x25x288
=100x125x25x288
=100x25x5x25x2x144
=100x10x25x25x144
=1000x(25x12)²(的平方)
=1000x(5x5x3x4)²
...
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原式=(88x125+125x12)x25x288
=(88+12)x125x25x288
=100x125x25x288
=100x25x5x25x2x144
=100x10x25x25x144
=1000x(25x12)²(的平方)
=1000x(5x5x3x4)²
=1000x(20x15)²
=1000x300²
=1000x90000
=90000000
请楼主接纳我,谢谢
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