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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date小学数学简便运算练习题66093小学数学简便运算练习题66093(138)125 20(175) 14205 2763827662 10226 25(4032) (57)80 8141256 162554 25134 3125 2345 40735 25645 34751999 2843598(86)125 4825125 3625 259468741532 3700
2、2185815 1225 125(84) 2825 (1525)2 25(840) 12524 2524 162519 32125 44250 12556 201253 724298 2516 752524 345497 16(3712) 48195219 64125 2548 321446856 84729747253 (257)4 60(15500) 248198 4351999 8(1259) 46185418 (40016)5 1704804 10356 13681332 (24)15 5(206) 823827 9649 629671 5116584 (12512)8 2931731
3、771 9914 759975 10236498080 230216184 48125 (2530)41881252 125(86) 2544 420755679339 4(2515075) 12151235 4(2530) 3225 135415265 5(1820) 5298 99999 365365 389938 5(1820) 311282831 (25250)4 (125125)8 461013 + + 18(+)7+5 ()(24) (+) (+)7+5 ()24) (+) (+)() (3217) (25) (2121) (99)9 () ()30 3 4 5841 () 235
4、 - 13518 153 0.653 () 10 - - + 25 13.098.124.88 12103450075() ()1511 37.519.52.54 6.62.5(- )60 + 258 (15) 101- 99 + ( + ) + - 325 36 ( - ) 25=() =() (15)=()254=+ 7= 125= 4.6+5.4 () 2.8+7.2+ +2.25+ + + 0.75+0.375 + + (+) 5-48.3- 4.25+6 0.6250.5+62.5% 2.5(+) 22+2575%-70.75 0.2563.5 2.5-+3.125+ +(-1.8)
5、 (111+999) 56(-) 49.5-(50-)0.6 + 45(+0.6) 89737.5%+1040.375 (5.375) 3.5+1.25+3.8 7199 3755+2996 8439+1001446+295 888+999 1125-996 299101 563999 210020 60.25 72156-5672 2532125 70999+709 0.2548 2.50.4226.6+2.56 75.399+75.3 4.63.7+540.37 0.125+8.25+12.5%1161 154.255 19.826.573.43 4.6+3+6+5.44+2.25+5+7 9.632.54 8.37-3.25-(1.37+1.75) (114-114x0.25)+18 -