递等式简便运算题50道 360÷[(12+6)x5] 288÷[(26-14)x8] 500x6-(50x2-80) (105x12-635)÷25 864÷[(27-23)x12] (45+38-16)x24 500-(240+38x6) [64-(87-42)]x15 (845-15x3)÷16 12x[(49-28)÷7] 450÷[(84-48])÷12 (58+37)÷(64-9x5) 95÷(64-45) 178-145+5x6+42 812-700÷(9+31x11) 85+14x(14+208+26) (284+16)x(512-8208+18) 120-36x4÷18+35 (58+37)÷(64-9x5) 388+(5000-1000) 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 2214+638+286 3065-738-1065 2357-183-317-357 2365-1086-214 497-299+2370+1995 3999+498-1883-398 12x25+75x 25x4 138x25x4 （13x125）x（3x8） 704x25 25x32x125 32x(25+125)+88x125 102x76-58x98 178x101-178 84x36+64x84 本文来源：https://www.wddqw.com/doc/9d713f73ae02de80d4d8d15abe23482fb4da020e.html