四年级数学下册简便运算专题训练13套.pdf

四年级数学下册简便运算专题练习四年级数学下册简便运算专题练习简便计算练习题简便计算练习题 1 1158+262+138 375+219+381+225 50012471021232（181+2564）+2719 378+44+114+242+222 276+228+353+219(375+1034)+(966+125)(2130+783+270)+1017 99+999+9999+99999 7755(2187+755)2214+638+286 30657381065899+344 2357183317357 23651086214497299 2370+1995 3999+4981883398 1225 7524138254 (13125)(38)(12+24+80)50简便计算练习题简便计算练习题 2 270425 2532125 32(25+125)88125 10276 5898 178101178 8436+6484 7599+27583102832 98199 123181233+8512350(344)3 25（24+16）17899+1787942+79+7957 7300254 810047516800120 301002100 32000400 21500125 4970000700700 1248 12482424 3150 31501515 4800 48002525简便计算练习题简便计算练习题 3 32356（1356721）1235（17801665）7527+192 5 31870+13310 4(2565+2528)(300+6)x12 25x(4+8)125x(35+8)(13+24)x8 84x101 504x25 78x102 25x204 99x64 99x16 638x99 999x99 99X13+13 25+199X25 32X16+14X3278X4+78X3+78X3 125X32X8 25X32X125 88X125 72X125简便计算练习题简便计算练习题 4 4 3600254 8100475 30001258 1250255 1200-624-76 2100-728-772 273-73-27 847-527-273 278+463+22+37 732+580+268 1034+780320+102425+14+186 214-（86+14）787-（87-29）365-（65+118）455-（155+230）576-285+85 825-657+57 690-177+77 755-287+87 871-299 157-99 363-199 968-599178X101-17883X102-83X217X23-23X735X127-35X16-11X35简便计算练习题简便计算练习题 5 5 600-6015 20X420X4736-35X2025X425X498-18X5+25 56X856X8280-80 4 12X612X6175-7525 25X825X880-20X2+60 36X936X936-366-6 25X8（25X8）100+45-100+45 15X97+3100+1-100+1 48X99+11000+8-1000+85+95X28102+1-102+165+35X1325+75-25+7540+36020-1013+24X8 672-36+64324-68+32 100-36+64简便计算练习题简便计算练习题 6 6263961263569569 9955557810178 5276477676 134561344513448522448 2523（404）9999991999 18498 695202 864199738301380476120（569468）（432131）7042525614753 37312929 189（8974）28425 1253225 972125简便计算练习题简便计算练习题 7 7720165 63042 456（25636）10235 9842 158+262+138 375+219+381+22550012471021232（181+2564）+2719 378+44+114+242+222 276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755(2187+755)2214+638+28630657381065 899+344 235718331735723651086214 497299 2370+1995简便计算练习题简便计算练习题 8 83999+498 1883398 1225 7524138254 (13125)(38)(12+24+80)502532125 32(25+125)88125 10276 178101178 8436+6484 7599+275 98199 123181233+85123 50(344)3 25（24+16）17899+178 7942+79+79577300254 8100475 158+262+138简便计算练习题简便计算练习题 9 9124824 315015 480025 21500125375+219+381+225 50012471021232（181+2564）+2719378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755(2187+755)2214+638+286 30657381065 899+3442357183317357 23651086214 4972992370+1995 3999+498 1883398简便计算练习题简便计算练习题 10101225 7524 138254 (13125)(38)(12+24+80)50 70425 2532125 32(25+125)88125 10276 5898 1781011788436+6484 7599+275 83102832 98199123181233+85123 50(344)3 25（24+16）17899+178 7942+79+7957 215001257300254 8100475 16800120简便计算练习题简便计算练习题 1111（a ab b）c=ac=a（b bc)c)2.73 0.89 1.27 4.37 0.28 1.63 5.72a ab bc=ac=a（b bc c）10 0.432 2.568 9.3 5.26 2.74 14.9（5.24.9）18.32 5.47 4.32（a a b b）c=ac=a（b b c c）25 6.8 0.040.25 32 0.125 6.4 1.25 12.5c c（a+ba+b）=c=ca a c cb b0.45 201 0.58 10.1 50.2 99 4.7 9.9简便计算练习题简便计算练习题 12123.28 5.7 6.72 5.7 2.1 99 2.123 0.1 2.3 9.9 0.18 4.26 0.18 4.260.58 1.3 0.58 1.3 7.3 4 2.7 0.253.75 0.5 2.75 25.26 0.125 2.74 8a b c=a （b c）6.3 1.8 9.5（1.9 8）12.8 （0.4 1.6）930 0.6 5 63.4 2.5 0.4（7.7 1.54）0.7简便计算练习题简便计算练习题 13136.94.83.1 15.89(6.755.89)7.852.340.854.6635.61.815.67.2 13.75(3.756.48)47.87.45+2.5566.868.661.34 0.2516.24 0.2532 0.1252.5(4+0.4)(1.250.125)8 4.8100.14.29956.59.956.5 7.0910.80.87.093.834.563.835.44 3.654.736.50.3713.70.253.74 10.716.1-1.110.7+10.7 5 5.411-5.4