Ⅰ 125涔32鐢ㄧ亩渚挎柟娉曟庝箞绠楋纻
125涔32绠渚胯繍绠楀备笅锛
125脳32
锛125脳32
=(5 x 25) x (4 x 8)
=(5 x 8) x (25 x 4)
=40 x 100
=4000
绠渚胯$畻鏂规硶锛
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3銆佸噾涓娉曪纴鍑戝崄娉曪纴鍑戠栌娉曪纴鍑戝崈娉曪细钬滃墠闱㈠噾涔濓纴链灏惧噾鍗佲濄
蹇呰帮细25镓4鍑100锛125镓8鍑1000 锛埚噾鏁存濇兂锛夈
Ⅱ 32×125的三种不同的简便运算
解析:依题意可得,
32×125
=4×8×125
=4×1000
=4000
32×125
=16×2×125
=4×4×250
=4×1000
=4000
32×125
=(30+2)×125
=30×125+2×125
=3750+250
=4000