33+33+21+13=

33+33+21+13= 972/720-21*33=? (1/33+2/33+.+12/33)/(13/135+14/135+.+19/135)= 解方程：x＋13=33 解方程x+13=33-10.5 33分之13=39÷() 1,2,3,5,8,13,21,33,,,,意思下~ 13+17+21+25+29+33+37的简便运算 33, 33*13-99 (+13又1/23)+(-55又1/33)+(+7又21/46)+(-14又5/66)= 计算：（+13 1/23）+（-55 1/33）+（+7 21/46）+（-14 5/66）=? 02,06,07,15,27,33:13 02,09,14,27,29,33:13 01,05,08,20,29,32:13 07,12,23,27,31,33:07 03,12,13...02,06,07,15,27,33:1302,09,14,27,29,33:1301,05,08,20,29,32:1307,12,23,27,31,33:0703,12,13,21,30,33:13 计算33度52分+21度54分= 33°52′+21°54′= 33度52分+21度54分= （7+21）除以33的余数+14=? 求未知数x 3×x=1/10 x×9=12/13 21×x=70/33 22x=33/45 5x=4/15 7x=28/7