1、18 7565+7535用简便方法计算下面各题1、89+124+11+26+48 2、875-147-23325408 4、1478+853 5、12564 6、0.91.080.920.1 用简便方法计算 89+124+11+26+48 875-147-23 147 12564 计算下面各题 128084024 285(95144024) 358870(105202) 480400(430087015) 514372727563 681432(135278) 7125(331) 837.4(8.67.246.6) 计算. 156107-772937.85-(7.85+6.4) 75138(1
2、00-54) 8580400(4300870 24078(154-115)143775-(12+18)15 2160(83-79)1828084032513(266250)24) 58870563 814325278) 37.85-(7.85+6.4) 30 156(17.7-7.2)3(947599)7636(91327623) 192(5438)67 (7.1-5.6)0.9-1.152.5 5.42.6(3.7-2.9)+0.6260(9.528.9)0.18 2.8810.430.243.5 20(2.441.8)0.40.15 28-(3.4 1.252.4)0.815.5-(3.2
3、1 5.79)(31.8 3.24)19464.81.80.936.724.259.93.416(0.01635) 0.8(106.76)1.2 (136+64)(65-34523) (6.8-6.80.55)8.5 0.12 4.84.8(58+37)(64-95)812-700(9+3111)(3.21.5+2.5)1.6 85+14(14+20826) 120-36418+35 (284+16)(512-820818) 9.721.6-18.3057 ( - ) +) 12.780( 13.4156.6 )37.812-700 3.2(1.5+2.5)(6.8-6.84.8 120-36
4、10.15-10.750.4-5.7 5.8(3.87-0.13)+4.23.74 347+452-416052 32.52-(6+9.7283.2)2.587(58+37)0.9-1.15 (3.7-2.9)+0.62 126(12-7.2)3.26+(1.5+2.5)1.6 5.83.74 33.02(148.490.85) 2875+969903181554(72-58)3 2800 100789 (947599)76 36(932521)9 50763498723(521504)253841223371 (3921)(3966) 3028(5+969.9318) 81(72-54)9
5、571256035 8486401612960(15003245) 671384125)(38)(12+24+80)5070425 32125 (25+125)1781011788436+64847599+27583102832 98199 123181233+8512350(344)(24+16)99+1787942+79+7957730025810075 27+1931870+13310 4(2565+2528)4 8) 50 10276 589884 2981993 158+262+138375+219+381+22550012471021232 (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+28630657381065899+344235718331735723651086214 497299 2370+1995125 32 8876 5898 101178 2 99+178 57 16800120301002100320004004970070012483150480021500附加题:2356(1356721)1235(17801665)2 5 310
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