数学第七册教案全册A

数学第七册教案全册A

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时间:2023-07-02

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271V)VW᪷Y487+256=743,bcd☢f⚪Ḅ+ᦪ஺743-487743—256bcd+ᦪidd-j᪵lḄ஺2.nᦪ஺“O)O”4oᦪidd-j᪵lḄr3.stNO஺1ᦋᑏW786+1132=1918ᦋᑏᡂyzḄ{fBt2ᦋ|W)}~9ᓤ168ᓟᓤ183ᓟ)ᜩᐳᓟrজᑡt஺ঝᦋ|ᡂf⚪zᵨ⚪dd-j᪵lḄrᡂ1.ᜩr2.-j᪵Ḅr3.=Aᨵᵨᜐr@W@S¡54⚓£62¤஺¥¦W7ஹt§ḄnᦪXᦟᑁªW¡«¬8486⚓஺ᦟ᪗W1ஹ᪷Y“)Bᦪ=¯){)Bᦪ”nᦪX஺2ஹXḄ¦ᑏ±t3ஹᦻ³⚪§Ḅnᦪ஺ᦟ´µW)¶·¸¹ᐭ»1ஹ¼ᜓ⚪᪷YtᑏyzḄtddtᔜ¿ᑖḄÁ¯ᐵ6஺50+20=7070-50=20ᦪᦪ¯70-20=5028

28(1)ᦟ#¥¦50+20=70,ᑏyzḄfBt஺(2)dᔜ¿ᑖḄÁ¯ᐵ6஺ᦟ#ÆÇ஺(3)ÈWfᦪ¯ᐸ§Ḅ)Bᦪj᪵{7Bᦪr(4)ÊW)Bᦪ=¯){)Bᦪ2ஹt§Ḅ()஺60+()=80()+87=120300+()=5003ஹÊWᵨX⊤nᦪ஺(1)ᵨXÌÍ()¹Î2஺()+87=120X+87=I20—(2)ᢣÊ“X”ḄÑஹᑏ஺(Ò)»Óᦟ1ஹᦟÎ2WX+87=120(1)⚪§ḄXᙠt§-ᦪr(2)“X”j᪵?(3)ÕÖᦟ#ᢣÊ3⚪±t(×Ø3×¥¦)ÙÚW“=”9Ûܯj᪵Ý஺AÞß+Ḅᦪ-1àḄ⚪§áâᨵãÝ⌕Ḅåzæ+ᦪÌçèt(ÕᜮÝ஺(4)⌕⍝ëì-ᔲ1àjîrj᪵Ýr(ï¦ð)2.✄O(1)“O)O”1òóôbóõdtW40+60=100,X+120=200iÕöXḄ÷øùúû*üýᨵnᦪ“X”Ḅþtᡠ⊤Ḅ஺(2)“”2஺25+X=70X+100=2600+X=24X+32=100⌕⚪ᔠ!"#$%"&ᓄ(ὃ*+஺3.ᦟ./303071234ᦪ6650(1).78⚪"ᳮ⚪஺:0ᦻ<⚪ⅾ>?@34A!B:0C@DEᦪF᪵⊤B(2)HIJKL஺307X(3)᪷NJKL"O.7ᑡIQ!஺RSᨵUVWᫀ:307+X=65029

29X+307=650650—307=X650—X=307[\0F᪵ᑡ]^B_`᪷Nabᑡ஺F᪵WBc4d✄fghW*+஺4ஹjj:c1kᵨX⊤DEᦪ"WVᑡᔜ⚪஺জ34ᦪ1273461207oঝᵬqrᦪḄst840,uEᵬᦪt45,qᦪtvwB.7xᡂ"ᢗ{d✄஺2IXḄ|஺c}k#$~"ᓄᳮ1ஹW஺X+20=500+()=80X=70=12020+()=110.7(ὃ*+஺2.“”3ஹ4஺3.᡽a஺X+30+20=6016+X+30=70ckᚪcᶍkck0,[63]஺gh:8ஹ~ᓝᦟ.ᑁᦪ.87⚓஺ᦟ.᪗1ஹSḄIᵨX⊤DEᦪ"1%A!ḄDEᦪḄ⚪N0“…@1ᦪ=s—@1ᦪ”2ஹ¡1%A!ḄDEᦪX,¡ᢥ£¤Ḅ¥¦s§%¨©Ḅhᑏ஺3ஹ«*(ὃ⚪ḄW"a(¬Ḅ®ឋ஺30

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31ᓽ288+X=756X+288=756c5kø342⚪Rᵨrõ§%ᑡ§+B᪷N34ùAúûB3.ü!Ò஺cᢗ{I"⌕ýþk“~ᓝ”4஺c1kØÿ⚪ᢣ᝞஺2ᙠᢗᱏᑏᐸᙠ஺3!"ᔲ$%஺'‘(ᐜ"஺+,-ᐸ-⚪./012஺4.5ᐳ%7$%8ᫀ஺:ᡃ<.=$஺>ὶ@A᪀CDE1.GHI☢KL⚪MNOPL>⚪QRḄᐵ@஺1317+169Y21396-471=486—317=471+925=486169=1396-925=2.᪷2IᑡabcOdᵨ⚪஺360+X=700X+1438=6574:ᵫc⚪ᦟ5〉klYmḄ"noᦪ12q“noᦪ=0snoᦪ”3..ὃ⚪1vw.ὃxy⚪M஺2z{-|ᐕ~(L஺3ᐳẆ᝞ᑏ.ὃ:᪵⍡ঝ⚪-Ḅ12"<.A1.ᜩ2.-|ᜩOḄ⚪Ḅ12"3.ᡃ"᪵EḄ5ᐳ!O:ᡃḄbY¡¢£¤¥¦§¨ὶ@A᪀DE©A<.ª«¬Y«¬®[64]9ஹm°Hb±Ḅ²¡ᦪXᦟᑁ´µ¶ᑴ(ᦪ¸¹88⚓஺ᦟ»᪗1.ᳮ-“¾°ᦪ=¿+°ᦪ"“°ᦪ=¾°ᦪ¿À᪷2oஹ°ᐵ@NÁÂKnᐵ@bḄᩭÄ஺32

322.ÀÅᵨÂKnᐵ@bm°Hb±Ḅ²¡ᦪ஺3.ÆÇÈÉm²¡ᦪÊḄᑏËb஺ᦟÌᜓᢗÎ஺ᦟÏÐ()ÓlÔ“NஹÕஹ>”1.Ìᜓ⚪஺(1)NO220—70=150ḄÖ஺(2)᪷2220-70=150ᑏOn×dḄoHb0n°Hb஺(3)ØÙஹÚÛÜᭆÞOᐵ@b஺¾°ᦪ=¿+°ᦪ°ᦪ=¾°ᦪ¿ß2ஹY(ᢗOà)180-()30()-20=90720-()403750-()=280NNá"᪵âḄ3ஹãYä3750—()=280±Ḅ()å☠åçᡂX,Oê4Y3750-X=280(-)Ôëᦟ1,Oàê4,O⚪஺(1)NOX=3750—280Ḅ᪷2"(2)ᑏËboHb±ḄX"ᔲ×⌕í(3)â¡⍝X=3470"ᔲ$%d᪵ïð஺(4)(AYm²¡ᦪXḄñ"Yஹâ(â᪷2)ÕஹH>ஹð(ðH)2,<✄m²¡ᦪXYX-68=73208-X=89vw-⚪óôᢇNᳮ஺ö±<✄஺3.ᢗOàê5÷øù஺ê5.᪷2øùᑡb-8஺ᵨú32ᓟüýᒕXᓟüII50ᓟ(1)ᡠ⊤Ḅ஺33

332ᵫᑡ!"ᵨ$%Ḅ&'ᑡ()"*+,জ50-X=32ঝ50—32=Xঞ32+X=50টX+32=50367ᡂজஹঞஹট:;&'஺4ᑖ>*?@AḄBC஺5DEFজஹঞஹট:;&'Ḅ?@AGH%(IJKঝ஺4.MNM,120OPNQᦪS53,UVQᦪ஺ᐰXMYZ$%[\]^_`aᑨ&'Jᔲាe஺:fghijᓄᳮ`1.mn஺NQoᦪ=1IOIIqOᦪ=rIOIIs=1IOII2.tu,ᦟwx*NQoஹOyzḄᦪ{|}tu*7᦮Ḅᐵ஺᝞,NQoᦪ=NNQoᦪ...3.m⊤஺“hNh”5஺m7᪷C஺4.h஺x-n=ioon-x=ioo⌱ᦪCmᐭ᪷C⌱ḄᦪCU*xḄ஺i.VᚪEF(2.EF⚪(¡,¢¡£¤[65]¨,10ஹUoஹ©ªyzḄ«¬ᦪXḄhiᦟᑁ®¯°ᑴ²ᦪ?³´?90⚓஺34

34ᦟ·᪗1."*UoஹO'yzXḄ¹&'஺2."ºh»¼ᙢU*oஹO'yzḄ«¬ᦪX஺ᦟ»ᜓᢗÀÁ஺ᦟÂÃ(N)¬Ä+1.ÅÆÇÈ஺UoஹO'yzḄX,ᨵÊË[\(ÌÍ,᝞,48+x=72X72=4872-X=482.`ÎÏᔜ⚪ḄBC஺(@)Ñ*ÒÓ1.Ô£hi஺(1)hi1஺জMYὃÂÃ`⚪BC஺ঝY┯Ḅ%*┯×ØÙÚÛ஺(2)hi2஺জÜ⚪Ý6⚪ÞßᡃáEF(⌕ᡃáUEF(ঝyS*ãmᑏᙠÎ஺ঞæç┯×[\,Jᐵᵨ┯èJçy┯×ᡃaéᡃ᪥Û஺(3)hi3.জMY¨©஺ঝ᪥Zஹë✄ஹᢣ|Çu`⚪¹BC஺ঞᦟw_`ᑖ᪆ï┯×ḄØÙ஺ᡃÚÛ஺(4)ðñhi஺✌ᐜôõðñöᑣ,ᐰXᢥùúᑖᡂûüQ²ýþý7ÿ(ᔣ᣸ᑡ)ᦟ7⚪ᵫᐜᡂ⚪ᡠḄᫀ⚪Ḅᦪ!ᦑ⚪#$◤&'⚪ᔲ)*᝞ᨵ┯./ᐜ0)ᯠ2345678ᨬ2:;/ᐜ&'$<64Ḅ=⚪ᯠ234>?@AḄ:⚪஺5C⚪DEஹ)*ḄGHIJ஺()—42=228□+()=20035

35□-()=12□+()=1724()S=316□-()=17S+()=34632.WXYZ(ᢗ\)஺Z]4஺(1)^_4`^abcd஺(2)᪥fg✄ᢣjkᑡlmnoC⚪pq஺(3)ᦟGrஹst஺(u)vwxy1.()+300=()-36=672—()=67+()=374()1732=()+74=364()+67=1732-()2.|}ᦪ~274160?170~|}ᦪ342?(`)rgm1,ᜩᚪᡃZ]|}ᑁ2.⍗ᑮḄᨬᜧ|}᪵3.52⍗ᑮ7⚪⌕|}()¡¢£¤57⚓66஺c¦¡11ஹᵨX⊤©ªᦪC«ᓫḄᵨ⚪ᦟᑁ=®ᑴGᦪ:°91⚓஺ᦟ᪗1.³´µᵨ“X”⊤©ªᦪᑡ¹lC«ᓫḄᵨ⚪஺2.º»^ᑖ᪆8ᳮ¿ÀÁÂÃÄÅ᱄ÇḄmÈᦟÉ஺ᦟÊᜓᵯᾯஹÎÏÐஹÑᱥᢗ\ÓஹᓱᱏஹᜩÖஹ×ṹஹÙÚ(80)஺ᦟÜÝ(-)ᓄ☟Iàᐙᑖâª1.Ñᱥd¡ᜩÖஹãṹÙÚ஺36

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98j⁚(ÄÅ/a²nP/Æ}'⌕È~U=&ḄP/஺1ஹef1⚪/஺50X4420+6025X300130X630X700583—583310+19012X500400+80ÁÂᡂO᪥9ᵫÊeᦪ᦮ᦪḄ=⚪A«ᦟI\¬25X30030X70012X500@⌱eḄË⚪8*Ì/ḄA*ÌÍḄA2ஹ᦮ᳮ(1)*᪵ᦪ᦮ᦪḄ=/A(2)ÐÑÌᦪ᦮ᦪḄ=ᙠÒḄᦪḄO☢ÓÔ70?(3)᝞30X700×ØÙ*᪵P/A(ᐜ3X7Ú21,Ûᙠ21ḄÓ5370)(4)le3⍝ᦪ᦮ᦪḄ=/⚪஺P/³BÜFEÝÞaᢇᦋᦟIàáâ஺3ஹ=ᑣP/஺1ஹef&'⚪஺476X5245X36357X283ᵨ²nP/ᐰã&'ä\]஺2ஹ᦮ᳮ஺(1)j⚪ᨵÑÌEBCᜐaæBCᜐA(2)ÐÑÌᵨᦪ:~5ḄᦪçÚḄᦪḄ.:~9èAXXXXXXXXXXXXXXXXXXXX(3)᦮Ḅé~é᦮ᦪ=ḄÆᵨ=ᑣ஺3ஹᑨëᦋ┯஺íîïðñ஺4ஹ&'஺2⚪ᨬOÔ⚪634X275729X318c✄ó஺(À)ôẚöÅ÷ᣩP/1ஹef&'⚪஺3⚪5☢~109X257360X5204050X220ᐰã&'3ä\]ᡂOc✄ó஺2ஹ᦮ᳮ஺(1)é~éᦪDᨵ0Ḅ=Ḅ,/U=஺ᦪDḄ0ææA(2)é~éᦪஹᦪᨵ0Ḅ=*᪵P/A3ஹᦋ┯&'íîïðᢣe┯úÁÂñc✄ó஺99

99()c_ûüýᓄP/஺1ஹ&'P21(ߟ)4஺782X94607X293928X2901825X3962ஹ᦮ᳮ஺Ḅᦪᑖᨵ"ᵨᜐ(&)'()*+᯿*᪀./0123451ᦋ789:;<1=ᨵ"0⚪(?)@AB@ACD[16](2)45(G)ᦟIᑁKᦟᩞP2145(G)ᦟIN᪗PQRSTUVWX1Y᪷[\]^Ḅᱯ`17aᮣcஹᔠᳮ⌱fVWXPgh1/ijᵨTUVWXPghklḄmn஺ᦟI3o(-)qaN᪗஺rst⁚vw*rᩭḄCᓫᐗḄ᪾|1ᢣrC⁚v⌕45ḄᑁK1/r⌕1RSTUḄVWX1mᮣcḄVᵨhkl஺(G)45WX1ஹh஺4X13X25125X(8+80)ᐰ5ஹI1ᡂ'✄᪥+1qlḄᳮᵫ஺ᦟVWXḄ஺2ஹRSWX஺h⌕ḄVWX⊤s1I1ᦟjḄ^஺᪷[^1¡¢TU*ᔠXTUᑖ£Xᨵ"¤᪷[^¥¦Ḅ*᪀ᱯ`஺()WXVᵨ1ஹvC§6⚪(1)¨©1ᔜjᵨ"VWX«¬Vhk1®rᐹᨵᱯ`ḄᦪIV°±஺(2)ᐰ51ᡂt☢g3⚪1ᡂ'✄᪥+1ᢣr³•⚪Ḅᱯ`஺(3)ᐰ51ᡂµ☢g3⚪1ᡂ'✄᪥+1ᢣr³⚪Ḅᱯ`஺2ஹᑨ·ஹᦋ┯5஺(1)400X(25+1)=400X25+1(2)(64+4)X25=64X25+25(3)25X32=25X(4X8)=25X4+25X8(&)ºᔠ51ஹ5§7⚪஺(1)»rmVᵨTUVWXḄ^1ᔜ¼¨ᐭjVWX©¾¿஺(2)ÀµḄ⚪32+144+68+56,1230—216—184,Ã"\m¨ᐭjḄ©¾¥¦«¬hᔩ100

100(3)ÅÆ5஺(4)'✄Ç7஺2ஹQ&ᑣÉᔠV5஺(1)lvC§8⚪1ᡂ᪥+஺(2)l§9⚪1ᡂḄஹ'✄ÊË஺3ஹjᵨ⚪5஺(1)ÅÆ5§10⚪஺(2)'✄ÊË1+25X400+25X40025X400X2ÌÍUPg¡¢஺4ஹ(ὃ⚪ᢣÏ஺(1)ÅÆ(ὃ2ᑖÐ஺(2)ᢣÑÒḄ]I(Ó஺(?)ÔÕÖ×*᪀23⁚v1ᡃ¦+§ᓫᐗPg8ÙÚḄ451§ᓫᐗ¿Iᑮ89:Ö×,RS89:C⚞=ᨵ"\ÝÞḄᙢÍ(à)@AB@ACD[17]101

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