(20)(18)()()()()()按规律填数,
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(20)(18)()()()()()按规律填数,(20)(18)()()()()()按规律填数,(20)(18)()()()()()按规律填数,2018161412108后面比前面的数少2.20181
(20)(18)()()()()()按规律填数,
(20)(18)()()()()()按规律填数,
(20)(18)()()()()()按规律填数,
20 18 16 14 12 10 8
后面比前面的数少2.
20
18
16
14
12
10
8
(不应该是先给三个数的么么么吗?)
4 1.6 0.64 () () 按规4 1.6 0.64 () ()按规律填空
20,11,19,12,18,( ),( ),( ),( )
(20)(18)()()()()()按规律填数,
计算-20+(-14)-(-18)-13
-20+(-14)-(-18)-13
在一个算式里,每张数字卡片只能用一次呀!(18) (54) (20) (16)( )+( )+ ( )=( ) ( )+( )+ ( )=( )( )+( )=( )-( ) ( )+( )〉( )+( )
18)
18和20是()*()*()*()*()=()1天内
(-10)+(-15)-(+18)-20=( )10( )15( )18((-10)+(-15)-(+18)-20=( )10( )15( )18( )20 +或-
求解(-10)+(-15)-(+18)-20=( )10( )15( )18(求解(-10)+(-15)-(+18)-20=( )10( )15( )18( )20 +或-
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