52×41+33×41+59×85
52×41+33×41+59×85
递等式计算(能简算的要简算)52*41+33*41+59*85
(53+47+43+57+54+59+55+55+57+16+52+41+86+57+24+53+57+52+69+52
1+2+49+80+58+85+52+41+53+83+7.8+8.7+8.85+8.234得多少?
11 21 41 52 65
数列 (28 12:41:33)
1+8-4-2+80-71-1+56-52+74+85-52-0+10-7+41-7等于多少?
53,43,54,55,57,52,86,24,57,69,47,57,59,55,16,41,57,53,52,52这
98,97,96,(),89,87,83,81,77,()69,63,59,57.53,(),41,39,33()27,
41+59*12用简便方法计算
9×41+59×39简便方法
①(-23)+59+(-41)+(-59)