(60-124)15(328+1989)70四则运算练习题350-(2476)2(480+204)201721-36(432-408)420-(2515)48(281815)(230-2155)1670+(750-6511)(80020+36)12(30015-11)12480-(80+20)4(160+88020)4(90-212)12(73+22)(72-67)365(27-17)(457+2814)5280(240-825)30+(96-125)50-[(165+35)100]32(20-9624)(58+37)(64-95)19+(253-22)21(23+23)24-597304-275(27525)(70+10)(18-10)85+14(14+20826)21+(327-23)19539-513(37814)(110-10)10-10(53-58821)36(60+10)(17-10)17+(233-43)1022+(374-10)26(245-11)18-1122-(10+10010)(252-14)17-10(346-10)16-12215-198(12111)(45-65121)33(714-12)27-1914+(21-19)1444+1516-32(10-10010)11736(43-20)23(227+11)(31-14)(31-15411)12(1369-37)37-32160(22-12)22(438-39)21-12(20+18)11-239(58+370)(64-45)(247+18)272536-720(36018)(702037)28(540-360)(185)(58+37)(64-95)95(64-45)360(602)(36012-10)20(2436)1214(86-24)531(365-328)(73-55)765(491-476)75720(42-27)(252+144)(307-271)93(515-428)(69+21)(728)(1620)35(126-87)1226234(205-199)(75+315)(35-20)(121-92)126178-(8336060)(270-180)30(59+31)(968)1024-(680+64016)4800-24(53238)96(328-87525)75+360(20-5)(420+60)(275-245)460(30-213)(49+21)(488)45+120(30-6)420[(205-198)4](84-4)96(65+250)(28-13)(124-85)122648(2+6)(58+37)(64-95)95(64-45)85+14(14+20826)21+(327-23)19539-513(37814)19+(253-22)21(23+23)24-597(75+360)(20-5)12+(40524)720(15-32)3889-(10841)5(800+20050)3640(80-203)(365-328)(73-55)672(2325-547)(70+10)(18-10)(10-10010)11(53-58821)36(60+10)(17-10)17+(233-43)1022+(374-10)26(245-11)18-1122-(10+10010)(252-14)17-10346-10)16-12215-198(12111)(45-65121)33(110-10)10-10304-275(27525)(714-12)27-1914+(21-19)1418-(13+15)262736(43-20)23(227+11)(31-14)(31-15411)12160(22-12)22(438-39)21-12(20+18)11-239(58+370)(64-45)(58+37)(64-95)36-720(36018)85+14(14+20826)
