}ĿW(xu)У(sh)W(xu)ħIFFʂُIABɷNħُ֪I2ANħ6BNħ130ԪُI1ANħ1BNħ5Ԫ
(1)@ɷNħĆr
(2)Y(ji)TFQُIABɷNħ100(ANħ^50)p11gij̵ЃɷN(yu)ݻDʾՈ(j)ϢգُIANħ________rxһлӶُIMͬ
ĿД(sh)W(xu) Դ }ͣ
}Ŀ20181017҇傀ؚ,ijУW(xu)ɲW(xu)(do)ؚԸMг{(dio),õһMW(xu)rĔ(sh)(j),W(xu)У־˔(sh)M{(dio)ͷֽMy(tng)Ӌ,(sh)(j)DʾĽy(tng)ӋD,(DϢ)֪A.BɽM˔(sh)ıȞ1:5.
{(dio)ľ˔(sh)ֽMy(tng)Ӌ
Me | ~x/Ԫ | ˔(sh) |
A | 1x10 | a |
B | 10x20 | 100 |
C | 20x30 | ______ |
D | 30x40 | ______ |
E | 40x | ______ |
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(1)aֵͅc{(dio)Ŀ?c)˔?sh)
(2)aȫ{(dio)ľ˔(sh)ֽMy(tng)ӋD1ӋBĈAĽǶȔ(sh)
(3)֪ԓУЌW(xu)2200ՈӋ(sh)30ԪČW(xu)˔(sh)ж?
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ĿД(sh)W(xu) Դ }ͣ
}ĿDABC(jng)^һƽƵDFEλãՈشІ}
(1)cCČ(yng)cc__________D=__________BC=__________
(2)BCEôƽƵķ__________ķƽƵľxǾ__________L
(3)BADBFBEcCEȵľ__________.
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ĿД(sh)W(xu) Դ }ͣ
}Ŀ呟W(xu)w|(zh)Ӗ(xn)ԽҰijУһ@(ni)eжԽҰ(zhn)ِ·DD1ʾcEABCD߅ADcھABCDĂc̎жλxɱO(jin)y\ӆTԽҰṂһλ\ӆTPcBl(f)BED·M_cDO(sh)\ӆTP\ӕrgtO(jin)ycľxyF(xin)yctĺ(sh)P(gun)ϵĈDD2ʾt@һϢāԴO(jin)yc飨
A.Ac
B.Bc
C.Cc
D.Dc
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