如题所述
第1个回答 2016-04-17
484/36x18/22=484*18/36/22=484/2/22=242/22=121/11=11
第2个回答 2016-04-18
667÷23x11
=29×23÷23x11
=（30-1）x11
=330-11
=319
77x25-37x25
=25x(77-37)
=25x40
=1000
1.25x7x3.2
=1.25x8x7x0.4
=10x2.8
=28
1.25×(32x4/9+5/9x32)
=1.25x32x(4/9+5/9)
=1.25x8x4
=10x4
=40
(5/6+2/3)×0.9÷1/2
=(5/6+4/6)x9/10x2
=10/6x9/10x2
=3
7/12x1/7÷7/12x1/7
=1/12÷7/12x1/7
1/7x1/7
=1/49本回答被网友采纳
=29×23÷23x11
=（30-1）x11
=330-11
=319
77x25-37x25
=25x(77-37)
=25x40
=1000
1.25x7x3.2
=1.25x8x7x0.4
=10x2.8
=28
1.25×(32x4/9+5/9x32)
=1.25x32x(4/9+5/9)
=1.25x8x4
=10x4
=40
(5/6+2/3)×0.9÷1/2
=(5/6+4/6)x9/10x2
=10/6x9/10x2
=3
7/12x1/7÷7/12x1/7
=1/12÷7/12x1/7
1/7x1/7
=1/49本回答被网友采纳
