꼶һ¿
ѧУ ÷֣
һ⡣2*8+4=20֣
1ڼ㣨200 364744ʱ㣨 㣨 㣨 2__________________ͳΪ㡣
365032080Ҫı˳ôʹţʽǣ
4漸ֲʽдۺʽ
196015=64 28=36?64 ۺʽ_____________________________ 27524=1800 1800=7200?9000 ۺʽ____________________________ 5a6615
6һҳ桢桢桢濴״
7ü㷽37659224Ҫ㣨 Ǹݣ ɡ 8һУ59Ԫ41Ԫ2ףһҪ Ԫ 9.ڡϺʵȻгۺʽ
ۺʽ ۺʽ
ж⡣ 6֣
10κ0 21859753IJǶ٣ʽǣ1859753 39022176 4134-75+25=134-75+25 51254258=1258+425 6ʱΪ0 ѡȷ𰸵ڣ2*5=10 ֣ 156+72+28=56+72+28
Aӷ Bӷ C˷ Dӷɺͽ 2258+4=
A258254 B258+254 C2548 D258+4 33845=3485
A˷ B˷ C˷ D˷ɺͽ 4101125=
A100125+1 B125100+125 C1251001 D1001251125 5986297ļ㷨ǣ
A986-300-3 B986-3003 C986-200-97
ġ㡣 35֣ 1㡣 8֣
862= 025= 9003= 840421= 032= 123+5= 125378 54-5-14= 3ôô㡣 3*9=27֣
(70+80)(68-18) (5966)64?10000 12548
98101 4600254 136101-136
989-186-14 355+260+140+245 175562556
塢ʽ㡣 2*3=6֣ 1 60005935IJ, Ƕ? 2725475ĺͳ25Ƕ٣
⡣23 ֣
150ԪȥС3ƿϾƣÿƿ8ԪȻʣµǮ̷ۣÿ12Ԫٴ3֣
2ʦ98ƪģڶ20ƪȵһ8ƪжƪûģ4֣
3ijʳһ·310֣·400֣·490ֻʣƽÿʶٶ֣4֣
4Сѧ6꼶ÿ꼶5ࡣƽÿͼ42飬ѧУͼһжٱ飿4֣
5 ʦͽ, ʦÿСʱ45, ͽÿСʱ28, ʦ6Сʱ, ͽܹ8Сʱ, ǹٸ?4֣
6ѧУʳ۸80ÿ75ǧˣÿ25ǧˣ۹ǧˣַ𣩣4֣