25x12-25x10-25简便方法
25x12-25x10-25简便方法
25×12-25×10-25
=25×(12-10-1)
=25×1
=25
25x12-25x10-25
25x12-25x10-25
=25x(12-10-1)
=25x1
=25
360X25+250X63+25X10的简便方法
360X25+250X63+25X10的简便方法
解:采用分配律,
原式=36x250+250x63+250
=(36+63+1)x250
=100x250
=25000
25x16-25x10简便运算
25x16-25x10
=25x(16-10)
=25x6
=25x(4+2)
=25x4+25x2
=100+50
=150
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25x103一25x2一25简便方法怎么做?
25x103一25x2一25
=25x(103一2一1)
=25×100
=2500
37x15 37x10x6 37x25简便方法
37x15+37x10x6+37x25简便方法
=37x15+37x60+37x25
=37x(15+60+25)
=37x100
=3700
(175÷25十36x12)x11的简便方法
(175÷25十36x12)x11
=(7十432)x11
=439x11
=439×10+439
=4390+439
=4829
25x125x12简便方法怎么做
25*125*12
=3125*(10+2)
=3125*10+3125*2
=31250+6250
=37500
(25十160÷5)x12简便方法
(25+160÷5)x12
=(25+32)*12
=57*12
=(60-3)*12
=60*12-3*12
=720-36
=720-30-6
=690-6
=684