脱式计算简便运算的题六年级及答案 1、56+31+24 =(56+24)+31 =80+31 =111, 2、615+475+125 =615+(475+125) =615+600 =1215 3、125×64 =125×8×8 =1000×8 =8000 4、 89+101+111 =101+(89+111) =101+200 =301 5、24+127+476+573 =(24+476)+(127+573) =500+700 =1200 6、400-273-127 =400-(273+127) =400-400 =0 7、327+(96-127) =327-127+96 =200+96 =296 8、70×98 =70×(100-2) =7000-140 =6860 9、442-103-142 =442-142-103 =300-103 =197 10、999+99+9 =1000+100+10-3 =1110-3 =1107 本文来源:https://www.wddqw.com/doc/e9f8c05a30687e21af45b307e87101f69e31fb85.html