=7.25 𣺺7.25
222=2==ǧˣͰڻʣǧ 㡿㣬Ӧ
1Ե̣0.851Ļõ̼õĻɣ2һͰ2ǧˣһε͵ģҲ2ǧ˵ģ2=ǧˣҪͰڻʣͶǧˣֱȥǧǧ˼ɣ 26
𰸡16.56 㡿ͼε 𡿽⣺ =12+12.568 =16.56ƽף
Ӱֵ16.56ƽף ʴΪ16.56
ͼʾABDABEȵȸߣεȣͬʱȥABFʣಿֵȻȣAFEBFDȣӰֵ=ABEСεı߳Ϊ뾶ԲBDEݴ˽ɣ
64+3.144244
塢Ӧ⣨ÿ6֣30֣ 27
𰸡⣺ȫΪ1ʱΪ [1 =[1 =
+ ]
6]
=1Сʱ
𣺼ֻ1Сʱ 㡿
ȫΪ1סҡ˵ĹЧʷֱΪ
6Сʱɣ
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ұɵĹǣΪ[128
+
6]
+
6ɵĹΪ1+6ôõʱ
𰸡⣺Ʊÿ25Ԫ
20010=20ԪƱ˳ɱϵͣ
һ3910=3ţ9ˣ3Ʊ9ŵƱ2003+259=825Ԫ 4010=4ţ4Ʊ2004=800Ԫ 800Ԫ825Ԫ
Է4ƱʡǮ 㡿Ż
ƱƷɣ
֪39ˣƱÿ25ԪƱ200Ԫɹ10ãÿ20010=20Ԫɴ˿֪ƱƱ۽ϵͣ
һ3910=3ţ9ˣ3Ʊ9ŵƱ2003+259=825Ԫ 3940ֻ1ˣ4010=4ţ4Ʊ2004=800Ԫ 800Ԫ825ԪԹ4ƱʡǮ 29
𰸡⣺1 ԭ 22 =22
=
Ҽԭijȱ 65
=12ף ԭ 22 =22
=10ף
𣺼ԭ10ףԭ12 㡿ȵӦ
֪סӹ22ףȥʣ1=ͼijȱ32ռҵģɴ˿ɵԭǼ ֱܷԭף 30
=Ҽԭijȱ65
- 26 - / 123
𰸡⣺״xԪҴ138xԪã 1
x=138x18
x+x=13818 x=120 x=84 13884=54Ԫ
𣺼ǰ84Ԫǰ54Ԫ 㡿Ӧ
״xԪҴ138xԪʣµǮΪ1xԪʣµǮΪ138x18ԪʣǮһзΪ1x=138x18ݵʽʽ̼ⷽɣ 31
𰸡⣺ֹxã 1= 1810=8Ԫ x18+
x8=3000
x+
x=3000
12x=3000 12x12=300012 x=250
ֹ250 㡿Ӧ
ֹxѹܱɵλ1ľ
xⲿÿ
18ԪɴⲿֵĻǮÿ1810Ԫıܱģ1-ɴxʾⲿֵĻɻǮ3000Ԫг̣
- 27 - / 123
СѧԾ
һ֣Ŷ
1ֱд 354 508+ =________ _ + 5=________ =________ 2ٷУܼı˼Ŷ
13.3+6.7 2015172832 0.75160.25 £ + 12 + £ 12 3167=________24.8=_______3.145=________ 1.2111=________ 5.4 =________ 24 =________ 6.1253.625+ =________ 3ܣx 4+0.7x=102 12
x=
x=312
գ
4һλ4λҲ4λ϶0д________ʡλβ________ 58.06=________
ʱ=________507=________ף 6 =9________=________20
7վת90ȣʱ泯________
8꼶42ˣÿٶһֱֽж걨36ˣСѧ20ˣֱֽ________ˣ
9һƷۺۼ72ԪƷԭ________Ԫ 10һͼı ________km
ͼҹȫ42cmʵȫ
- 28 - / 123