简单计算.1.14x99+14 2.25x32 3.40x25x35x20
简单计算.1.14x99+142.25x323.40x25x35x204.8x(25x15)...
简单计算.1.14x99+14 2.25x32 3.40x25x35x20 4.8x(25x15)
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2015-03-01 · 知道合伙人教育行家
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1.14x99+14 2.25x32 3.40x25x35x20 4.8x(25x15)
=14×(99+1) =25×4×8 =(40×25)×(35×20) =8×25×15
=14×100 =100×8 =1000×700 =200×15
=1400 =800 =700000 =3000
=14×(99+1) =25×4×8 =(40×25)×(35×20) =8×25×15
=14×100 =100×8 =1000×700 =200×15
=1400 =800 =700000 =3000
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1. 14x99+14
=14×(99+1)
=140
2. 25x32
=25×4×8
=100×8
=800
3. 40x25x35x20
=40×25×700
=1000×700
=700000
=14×(99+1)
=140
2. 25x32
=25×4×8
=100×8
=800
3. 40x25x35x20
=40×25×700
=1000×700
=700000
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1、
14x99+14
=14x(99+1)
=14x100
=1400
2、
25x32
=25x4x8
=100x8
=800
3、
40x25x35x20
=1000x(35x20)
=1000x700
=700000
4、
8x(25x15)
=2x4x25x15
=2x100x15
=100x30
=3000
14x99+14
=14x(99+1)
=14x100
=1400
2、
25x32
=25x4x8
=100x8
=800
3、
40x25x35x20
=1000x(35x20)
=1000x700
=700000
4、
8x(25x15)
=2x4x25x15
=2x100x15
=100x30
=3000
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