小学数学简便运算练习题(13x8)x12520x(17x5)14x20x5276x38+276x6225x(40x32)(5x7)x808x14x125x616x25x5x425x13x43x12x523x4x540x7x3x525x6x4x5347519992843-598(8x6)x1254x8x25x125259+468+741+53236x25(15+25)x23700-2185-81512x2528x25125x(8+4)25x(8+40)125x2425x2416x25x1932x12544x250125x5620x12x5x3724-29825x1675x25x2x4345+49716x(37+12)48x19+52x1964x12525x48(25+7)x432+144+68+56847-2974x7x25x360x(15+500)248+198435+19998x(125+9)46x18+54x18(400+16)x5170x4+80x4103x5613x68+13x32(2+4)x155x(20+6)8x23+8x279x6+4x96x29+6x715x116+5x84(125+12)x829x317+317x7199x1475x99+75102x3649x80+80230-216-18448x125(25x30)x418x8x125x2125x(8x6)25x444x(25x30)4x(25+150+75)12x15+12x3520)52x989x99+9936x5+36x538x99+38(25+250)x4(125x125)x846x101亠一+•-XXXXX〔〕(XX•••X-X•XX•(XXXXXX、、.XXX、x用简便方法计算4x20x75x567x9+33x932x2513x5+41x5+26x55x(18+5x(18x20)31x128-28x31一+•X一-r+XXX)•X•—•X•-XXX)X—•XX、XX、+++1③XXX计算下面各题..+•X17x40=100—63=3.2+1.68=2.8x0.4•+X—+•X+X•X+X—□-+—计算:()X()()()X•()-F()X脱式计算•+(—)+XX—•+XX•X+—+••+X—X•()X•()()X()X•()-F()XX一•—•X•(—X)-(+)XXXXXXXXXXX—XXX—XXX-XXXXXX()XX••••XXXXXXXXXXXXXX—XXXXXXXXXXXXXXX••14—7.4=1.92^0.04=0.32x500=0.65+4.35=10—5.4=4十20=3.5x200=1.5—0.06=0.75十15=0.4x0.8=4x0.25=0.36+1.54=1.01x99=420十35=25x12=135十0.5=XXXXX3/4+1/4=2+4/9=3-2/3=3/4-1/2=1/6+1/2-1/6=7.5-(2.5+3.8)=7/8+3/8=3/10+1/5=4/5-7/10=2-1/6-1/3=0.51十17=32.8+19=5.2十1.3=1.6x0.4=4.9x0.7=“5=6十12=0.87-0.49=17x40=100－63=3.2+1.68=2.8x0.4=14-7.4=1.92^0.04=0.32x500=0.65+4.35=10-5.4=4十20=3.5x200=1.5-0.06=0.75十15=0.4x0.8=4x0.25=0.36+1.54=1.01x99=420十35=25x12=135十0.5=3/4+1/4=2+4/9=3-2/3=3/4-1/2=1/6+1/2-1/6=7.5-(2.5+3.8)=7/8+3/8=3/10+1/5=4/5-7/10=2-1/6-1/3=0.51十17=32.8+19=5.2十1.3=1.6x0.4=4.9x0.7=1十5=6十12=0.87-0.49158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812x2575x24138x25x4(13x125)x(3x8)(12+24+80)x50704x2525x32x12532x(25+125)88x125102x7658x98178x101—17884x36+64x8475x99+2x7583x102—83x298x199123x18—123x3+85x12350x(34x4)x325x(24+16)178x99+17879x42+79+79x577300十25十48100十4十7516800十12030100十210032000十40049700十7001248十243150十154800十2521500十125附加题：2356—(1356—721)1235—(1780—1665)75x27+19x2531x870+13x3109999+99.99+999.9+9.9995.4十1.8+240x1.59000十72x(1.25x0.7x8)61-(1.25+2.5x0.7)[(10-0.8)+9.85]-2十0.1253人2*3.256783人3-512+5268.32-2569123+456-52*8789+456-78181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065138x25x4(13x125)x(3x8)(12+24+80)x5025x32x12532x(25+125)178x101-17884x36+64x8475x99+2x7583x102-83x2123x18-123x3+85x12350x(34x4)x325x(24+16)178x99+17879x42+79+79x577300十25十48100十4十75158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-10652357-183-317-3572365-1086-214138x25x4(13x125)x(3x8)(12+24+80)x5025x32x12532x(25+125)178x101-17884x36+64x8475x99+2x7583x102-83x2123x18-123x3+85x12350x(34x4)x325x(24+16)178x99+17879x42+79+79x577300十25十48100十4十752356-(1356-721)1235-(1780-1665)75x27+19x2531x870+13x3104x(25x65+25x28)2....
