简便计算: 1, 125x(25x96) 2, 64x45-45
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发布时间:2024-09-28 08:59
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热心网友
时间:2024-10-09 23:22
125x(25x96)
=125x25x8x4x3
=(125x8)x(25x4)x3
=1000x100x3
=300000
64x45-45+46x45
=45x(64+46)-45
=45x(100+10)-45
=45x100+45x10-45
=4500+450-45
=4950-45
=4905
〔3920-(56+44x14)〕除14
=(3920-56-44x14)÷14
=3920÷14-56÷14-44x14÷14
=280-4-44
=276-44
=232
行家正解,不明白可以追问!祝您学习进步
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热心网友
时间:2024-10-09 23:22
125x(25x96)
=125x25x8x4x3
=(125x8)x(25x4)x3
=1000x100x3
=300000
64x45-45+46x45
=45x(64+46)-45
=45x(100+10)-45
=45x100+45x10-45
=4500+450-45
=4950-45
=4905
〔3920-(56+44x14)〕除14
=(3920-56-44x14)÷14
=3920÷14-56÷14-44x14÷14
=280-4-44
=276-44
=232
行家正解,不明白可以追问!祝您学习进步
满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢
热心网友
时间:2024-10-09 23:22
125x(25x96)
=125x25x8x4x3
=(125x8)x(25x4)x3
=1000x100x3
=300000
64x45-45+46x45
=45x(64+46)-45
=45x(100+10)-45
=45x100+45x10-45
=4500+450-45
=4950-45
=4905
〔3920-(56+44x14)〕除14
=(3920-56-44x14)÷14
=3920÷14-56÷14-44x14÷14
=280-4-44
=276-44
=232
行家正解,不明白可以追问!祝您学习进步
满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢