(75十36)除以(35一20)怎么简便计算?
(75十36)除以(35一20)怎么简便计算?
(75十36)除以(35一20)
等价于:
(75十36)/(35一20)=(75+36)/15=75/15+36/15=5+30/15+6/15=5+2+2/5=7+2/5=37/5
7236除以36-35 *36怎么简便计算
7236÷36-35×36
=201-35×(30+6)
=201-1050-210
=-1059
910-900除以75×35简便计算怎么算
910-900÷75×35
=910-900÷15÷5×35
=910-60×7
=910-420
=490
(75十49)除以(75一44)用简便计算
=114÷31
9999*9999的简便计算75除以(25除以4)的简便计算
1题:
9999*9999
=(10000-1)*(10000-1)
=(10000-1)*10000-(10000-1)*1
=100000000-10000-10000+1
=99980001
2题:
75/(25/4)
=75*4/25
=25*3*4/25
=3*4
=12
3题:
73*64+27*65
=73*(65-1)+27*65
=73*65-73+27*65 (乘法分配率)
=65*(73+27)-73
=6500-73
=6427
呵呵,加油!不懂的话再问,诚答!
75除以9乘以36怎样简便计算
原式
=75÷9x36
=75x36÷9
=75x4
=3x25x4
=3x100
=300
供参考。
3600除以(36×20)式试简便计算
3600除以(36×20)式试简便计算
3600除以(36×20)
=3600c÷36÷20
=100÷20
=5
8100除以4除以75,用简便计算怎么计算
8100÷4÷75
=(81x100)÷4÷(25x3)
=81÷3x(100÷4÷25)
=27x1
=27
祝学习进步。
9/35除以20%除以0.6简便计算
9/35÷20%÷0.6
=9/35÷(1/5)÷(3/5)
=9/35*5*5/3
=15/7
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