浙江四年级数学上册
12.3相反数相反数 1借助数轴理解相反数的概念,并能求给定数的相反数;(重点) 2了解一对相反数在数轴上的位置关系;(重点) 3掌握双重符号的化简;(难点) 4通过从数和形两个方面理解相反数,初步体会数形结合的思想方法 一、情境导入 1让两个学生在讲台前背靠背站好(分左右),规定向右为正(正号可以
浙江四年级数学上册Tag内容描述:û갔 ⎠鑫̢⼀䬀攀䴀뽓⾕瀀ⴀ㜀㐀 ⸀栀琀洀氀 㘀⸀㌀㠀⸀㈀㐀⸀㘀㜀 ᰀ㐀 �ﯹ᐀¬ ꀀꢣޔ∀/Ke前台访问/p-458310.html116.179.32.890脵˶ 隆û갔 ̢⼀笀销䴀뽓⾕挀ⴀ 㠀 ㌀ⴀ㔀ⴀ㈀㠀㠀ⴀ ⴀ ⴀ ⴀ ⴀ㤀ⴀ ⴀ⸀栀琀洀氀㔀㜀⸀㔀㔀⸀㌀㤀⸀㈀ 㤀 ᰀ㘀 ࠀﯻ᐀¬ ꀀ⣣ߝ∀/Mi前台访问/p-1389880.html46.229.168.1340脷˶ û갔 ̢⼀䬀攀䴀뽓⾕搀ⴀ㌀㠀㠀㜀㐀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ㠀 怀ﯽ᐀¬ ꀀ欣ޔ∀/Ma前台访问/p-1246322.html49.7.21.830脹˶ ﵠû갔 ̢⼀䴀最䴀뽓⾕瀀ⴀ㜀㠀㤀㔀㠀⸀栀琀洀氀㔀㜀⸀㔀㔀⸀㌀㤀⸀㈀ 㤀 ᰀ㨀젂쉒谕ﯾ᐀¬ᄀ 뀀錒݃∀/Mg前台访问/p-2660701.html116.179.32.460脻˶勈ᗂᄌû갔 犰㣽̢⼀䬀攀䴀뽓⾕搀ⴀ㌀㠀㤀㐀㤀㈀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ㰀젂쉒렕ﯿ᐀¬ᔀ 뀀Ᏺܐ∀/Mg前台访问/p-2271804.html207.46.13.2270脽˶ äü갔 �̢⼀䴀欀䴀뽓⾕瀀ⴀ㐀㠀㠀㠀㈀⸀栀琀洀氀⸀㈀ ㈀⸀ ⸀㠀㈀ ᰀ㸀 㰀ﰃ᐀¬ ꀀ⣣ߝ∀/Mi前台访问/d-2225835.html46.229.168.1290脿˶틌᧧̼ü갔 Ӳ ̢⼀䴀最䴀뽓⾕瀀ⴀ㈀㘀㔀㘀 㤀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㌀ ᰀ䀀 鐀ﰅ᐀¬ ꀀ⣣ߝ∀/Ke前台访问/d-389972.html156.234.98.260腁˶ ֔ü갔 �̢⼀䴀椀䴀뽓⾕瀀ⴀ㔀㤀㌀㔀 㤀⸀栀琀洀氀 㘀⸀㌀㠀⸀㈀㐀⸀㜀㠀 ᰀ䈀 ﰇ᐀¬ ꀀ⣣ߝ∀/Kg前台访问/d-205995.html46.229.168.1410腃˶勈ᗂ߬ü갔 튰̢⼀䤀攀䴀뽓⾕瀀ⴀ㐀㌀㠀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㔀㌀ ᰀ䐀젂쉒᠕ﰉ᐀¬᐀ 뀀◒߸∀/Ke前台访问/d-391003.html156.234.98.260腅˶ ü갔 ꎠ钨̢⼀䴀最䴀뽓⾕瀀ⴀ㈀㌀ ㈀㤀㔀⸀栀琀洀氀㔀㐀⸀㌀㘀⸀㐀㠀⸀ 㔀 ᰀ䘀 鰀ﰌ᐀¬ ꀀꢣޔ∀/Mg前台访问/d-2653488.html116.179.32.340腇˶ ಜü갔 �̢⼀䴀椀䴀뽓⾕瀀ⴀ㈀ 㠀㠀㔀㐀㔀⸀栀琀洀氀 㘀⸀㌀㠀⸀㈀㐀⸀㠀㘀 ᰀ䠀젂쉒정ﰍ᐀¬ሀ 뀀ﵲܸ∀/Ke前台访问/d-391007.html156.234.98.260腉˶ ᅌü갔 �̢㔀匀焀眀愀瀀䴀뽓⾕搀ⴀ㈀㘀㘀㌀㌀㠀⸀栀琀洀氀㈀㈀ ⸀㠀⸀ 㠀⸀㔀㜀 ᰀ䨀 砀ﰒ᐀¬ ꀀ⣣ߝ∀/Ke前台访问/d-392109.html156.234.98.260腋˶ ᓐü갔 �̢⼀䴀椀䴀뽓⾕瀀ⴀ㈀㔀㘀㠀㈀㈀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㐀㐀 ᰀ䰀 ﰀﰕ᐀¬ ꀀȃܳ∀/Mi前台访问/d-2656009.html220.181.108.760腍˶ ᗼü갔 �̢⼀䬀攀䴀뽓⾕搀ⴀ㐀㐀㌀㠀㘀㐀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ一젂쉒⠕ﰗ᐀¬ᔀ 뀀Ᏺܐ∀/Me前台访问/d-2178746.html157.55.39.990腏˶勈ᗂᜨü갔 犰㣽̢⼀䴀挀䴀뽓⾕瀀ⴀ㈀㐀㔀㐀㘀㐀㜀⸀栀琀洀氀㐀㤀⸀㜀⸀㈀ ⸀㈀㌀ ᰀ倀 吀ﰘ᐀¬ ꀀ欣ޔ∀/Mk前台访问/p-1662295.html123.183.224.1740腑˶ ᪬ü갔 �̢⼀䴀攀䴀뽓⾕瀀ⴀ㜀㜀㜀㜀㠀㤀⸀栀琀洀氀㔀㜀⸀㔀㔀⸀㌀㤀⸀㤀㤀 ᰀ刀 가ﰚ᐀¬ ꀀȃܳ∀/I]前台访问/p-14641.html49.7.21.760腓˶ ᪬ü갔 ̢㔀匀漀眀愀瀀䴀뽓⾕瀀ⴀ㈀㘀㔀㘀 㤀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㔀 ᰀ吀 �ﰛ᐀¬ ꀀ⣣ߝ∀/Ke前台访问/d-508748.html156.234.98.260腕˶䁠ᯘü갔 ̢㔀最茀眀愀瀀䴀뽓⾕䈀漀漀欀刀攀愀搀⸀愀猀瀀砀㼀椀搀㴀㈀㘀㔀㘀 㤀⸀㈀ 㘀⸀㤀㠀⸀㠀㔀 ᰀ嘀 ﰞ᐀¬ ꀀ⣣ߝ∀/Mi前台访问/p-1813653.html123.183.224.310腗˶Ǧᢷü갔 㓰ሽ̢⼀䴀最䴀뽓⾕瀀ⴀ㈀㘀㌀㔀㠀㔀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㐀㔀 ᰀ堀젂쉒尕ﰟ᐀¬ሀ 뀀ﵲܸ∀/Ke前台访问/d-517442.html156.234.98.260腙˶ ₈ü갔 ꎠ钨̢⼀䴀最䴀뽓⾕瀀ⴀ㈀㈀㔀㈀㘀㔀⸀栀琀洀氀㔀㐀⸀㌀㘀⸀㐀㠀⸀㐀 ᰀ娀 ఀﰤ᐀¬ ꀀȃܳ∀5Smwap前台访问/d-2656009.html116.179.32.320腛˶鷐ዂ␌ü갔 럀ᘨ̢⼀洀謀䴀뽓⾕琀愀最⼀㠀樀椀攀栀甀戀攀椀樀椀渀攀渀最搀愀猀愀椀⸀栀琀洀氀㈀㈀ ⸀㠀⸀ 㠀⸀㐀 ᰀ尀瀂ꥬﰤ᐀¬ᔀ 㛑ߵ∀/Ke前台访问/d-635607.html156.234.98.260腝˶勈ᗂ␌ü갔 ㊰厫̢⼀䴀椀䴀뽓⾕瀀ⴀ㈀㘀 㜀㔀㤀⸀栀琀洀氀㘀⸀㜀㤀⸀㌀㈀⸀㈀㌀ ᰀ帀 退ﰧ᐀¬ ꀀꢣޔ∀/Mi前台访问/p-2454319.html123.183.224.660腟˶勈ᗂ⢼ü갔 ဓ̢⼀䬀攀䴀뽓⾕搀ⴀ㘀㌀㘀㔀㌀㜀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ怀 밀ﰨ᐀¬ ꀀꢣޔ∀/Mi前台访问/p-2595052.html46.229.168.1620腡˶勈ᗂ⧨ü갔 ဓ̢⼀䴀欀䴀뽓⾕瀀ⴀ㈀㘀㘀㈀㈀㔀㘀⸀栀琀洀氀㈀㈀ ⸀㠀⸀ 㠀⸀㜀 ᰀ戀ℂFﰩ᐀¬ᔀ 뀀Ᏺܐ /Mi前台访问/p-2656381.html113.240.253.180腣˶勈ᗂ⬔ü갔 ဓ̢⼀䴀攀䴀뽓⾕瀀ⴀ㈀㈀㔀㈀㘀㜀⸀栀琀洀氀㔀㐀⸀㌀㘀⸀㐀㤀⸀㔀㤀 ᰀ搀ℂF䀀ﰬ᐀¬ ܀ /a}前台访问/BookRead.aspx?id=2656381113.240.253.180腥˶勈ᗂⱀü갔 ㊰厫̢⼀䬀攀䴀뽓⾕搀ⴀ㘀㌀㘀㜀㘀㐀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ昀젂쉒氕ﰭ᐀¬ᔀ 뀀Ᏺܐ∀/Mg前台访问/d-2635815.html116.179.32.360腧˶ ⺘ü갔 �̢⼀䬀愀䴀뽓⾕瀀ⴀ㔀㜀 㤀㤀⸀栀琀洀氀㐀㤀⸀㜀⸀㈀⸀ ᰀ栀 頀ﰮ᐀¬ ꀀ欣ޔ∀/Mk前台访问/p-1475675.html123.183.224.1720腩˶勈ᗂ⺘ü갔 ဓ̢⼀䴀欀䴀뽓⾕瀀ⴀ㐀㤀㔀㌀⸀栀琀洀氀⸀㈀ ㈀⸀ ⸀㌀㈀ ᰀ樀 쐀ﰯ᐀¬ ꀀȃܳ∀/Mi前台访问/p-2614351.html216.244.66.2000腫˶勈ᗂヰü갔 劰潥̢⼀䴀攀䴀뽓⾕搀ⴀ㜀㐀㠀 㔀㔀⸀栀琀洀氀㐀 ⸀㜀㜀⸀㘀㜀⸀㌀㤀 ᰀ氀 ﰰ᐀¬ ꀀꢣޔ∀/Ke前台访问/d-637318.html156.234.98.260腭˶ ㈜ü갔 ̢⼀䴀椀䴀뽓⾕搀ⴀ㈀㠀 㐀㌀⸀栀琀洀氀㐀㘀⸀㈀㈀㤀⸀㘀㠀⸀㐀㈀ ᰀ渀뜁ᰘﰲ᐀¬ጀ �ߜ∀/Mg前台访问/p-2554689.html116.179.32.830腯˶ ㍈ü갔 ⎠鑫̢⼀䬀开䴀뽓⾕瀀ⴀ㜀㘀㌀⸀栀琀洀氀㐀㤀⸀㜀⸀㈀⸀㜀 ᰀ瀀 ꀀﰵ᐀¬ ꀀ欣ޔ∀/Ke前台访问/d-639346.html156.234.98.260腱˶勈ᗂ㛌ü갔 劰潥̢⼀䬀最䴀뽓⾕瀀ⴀ㠀㔀㈀㈀㜀⸀栀琀洀氀㈀㌀⸀㠀㌀⸀㈀㈀㐀⸀㘀㐀 ᰀ爀 찀ﰶ᐀¬ ꀀ欣ޔ∀/Ki前台访问/p-137081.html123.183.224.1240腳˶ 㛌ü갔 ⎠鑫̢⼀䴀攀䴀뽓⾕瀀ⴀ㘀㔀 ㈀㤀⸀栀琀洀氀㐀 ⸀㜀㜀⸀㘀㜀⸀㌀㤀 ᰀ琀젂쉒ﰷ᐀¬ᔀ 뀀Ᏺܐ∀/Mi前台访问/p-2658344.html116.179.32.1970腵˶ 㩐ü갔 ꎠ钨̢⼀䬀攀䴀뽓⾕搀ⴀ㘀㌀㤀㘀㘀㐀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀ瘀 簀ﰻ᐀¬ ꀀ欣ޔ∀/Mk前台访问/p-2153632.html123.183.224.1370腷˶ 㲨ü갔 ⎠鑫̢⼀䴀最䴀뽓⾕瀀ⴀ㜀㤀㠀㘀㤀㠀⸀栀琀洀氀㈀㌀⸀㠀㌀⸀㈀㈀㐀⸀㘀 ᰀ砀 ꠀﰼ᐀¬ ꀀȃܳ∀5Sowap前台访问/d-2635815.html220.181.108.760腹˶勈ᗂ㲨ü갔 ㊰厫̢⼀䤀最䴀뽓⾕搀ⴀ㌀㐀㜀㤀㌀⸀栀琀洀氀㈀㌀⸀㠀㌀⸀㈀㈀㐀⸀㜀 ᰀ稀 퐀ﰽ᐀¬ ꀀꢣޔ∀/Ke前台访问/d-640747.html156.234.98.260腻˶ 䀬ü갔 ⎠鑫̢⼀䴀欀䴀뽓⾕瀀ⴀ㔀㐀㔀㤀 ⸀栀琀洀氀㈀㌀⸀㠀㌀⸀㈀㈀㐀⸀㜀㌀ ᰀ簀 Ⰰﱀ᐀¬ᘀ ܀ ܀∀/Mk前台访问/d-2658344.html220.181.108.1440腽˶勈ᗂ䀬ü갔 ဓ̢⼀䴀欀䴀뽓⾕搀ⴀ㈀㘀㐀㐀㌀⸀栀琀洀氀㈀㈀ ⸀㠀⸀ 㠀⸀㜀㠀 ℀℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡℡ẶṋᷠᵻᴔᲥ᰾ᯓ᭮ᬅ᪠ᨷ᧐ᥫᤌᢥᠼៗᝲᜉᘳᗒᕫᔆᒉᐤᎻፐዧኂሙᆰᅋჀၓ྇༠ືิාൠഃಞళௐ୫ଆઝफ़ࣹû갔 䎠ⷕ̢⼀䴀最䴀뽓⾕搀ⴀ㈀㠀㐀㜀⸀栀琀洀氀㔀㘀⸀㈀㌀㐀⸀㤀㠀⸀㈀㘀 ᰀᄀℂF琀᐀¬ሀ 뀀憲߆ /Mi前台访问/p-2656381.html113.240.253.180耒˶䌸ঠû갔 矀ㆤ̢⼀愀笀䴀뽓⾕䈀漀漀欀刀攀愀搀⸀愀猀瀀砀㼀椀搀㴀㈀㈀㤀㤀㈀