【正文】 （61－58） 3600458+1204 493+257 305(301297)。8＋320247。9－300247。8784247。7 488247。42427247。5 576247。70960－320 6400247。35 432247。5 216＋644 (324－285) 9 －－＋－－＋ ＋－ －(－) (1080－740)7 ＋＋＋ －－ 175－75247。35 432247。6 175－75247。6－5 167＋45＋282763－84－163 468＋28＋32 405247。3 ＋－ 459＋559198－982 （741－159）247。5 2574247。3 34＋3062720247。5 1504247。62 25675 3645247。5247。7 4243229145 55574 783247。4 718－753 （187－24）5 2335－7482756247。4 28005247。4 －（＋）6024247。3247。9 ＋－ －－ ＋＋542－128－272 ＋－ 637＋540 550＋459838－（138＋275） 964＋80 120＋800247。3= = =＋＋ －＋ 763－386－363 72－70247。16) 300－(300－222)= = == = =75247。153+657 32247。11＋49= = == = =187＋299－299 587＋496－674 2660＋26247。100 62500 = = == = = (1＋7)(16－6) 8104247。80 750＋550247。5 75247。59 450247。3= = == = = 960247。(30247。(32247。26= = == = =153247。4 33247。5= = == = =(111＋189)3 1258247。15＋205 3090＋66= = == = =(387－387)＋0 160－160247。5+1250 = = == = =(69002400)247。49 350247。 9 8= = == = =280 4 247。(56247。 5 （72247。 9 + 320 2800+32 6 300247。8＋64 270 247。2＋230 = = == = =4000 247。6＋453 8(910720) 760540+1110= = == = =6500+12503500 8030+5600 945032004200= = == = =2400247。942247。8= = == = =146+95 900247。6 500(400－396) 72247。4 = = == = =56247。4＋212 25247。9 = = == = =72247。9－36247。6= = == = =35247。5 25247。4 15247。7＋36247。8＋456 640＋604 = = == = =57－48247。3 40＋100247。5 35－35247。7+65 807＋20247。5＋240= = == = =81247。2 202＋36247。8 94＋420 280247。5 608+1570 60(2317) = = == = =224＋221 213＋410 40247。8) 54 247。9）247。69 = = == = =(69002400)247。 3 9= = == = =630 247。 8 + 350 320247。6－45 800 7－180 1600247。6= = == = =12247。(7168) 180247。9－5= = == = =564+264453 7650(546+4530) 659450= = == = =980+980 9000(4500+250) 6700+72247。7＋36247。5 434＋255 = = == = =60－123 64247。7 302＋302 = = == = =6008247。2= = == = =100－50247。9＋877 665+774 921+74= = == = =8062 770247。9 30247。4= = == = =1205247。2＋174= =