1、4321679=512043181- 02-756+810.75=43+ =78582- =23 29 49 712 112 =951 =76 =534 =10 =84 =326 =518 =3294 78 12 14 13 =45 235 =14 14 13 1 1 56 712 4 1 712 16 =83=251 =974+ =03+ =85 =61+ =314 =21 =7+ =6+ =5 =73+ =81 =091 =4+ =8 =34+ =211 =45 15 =23 45 131- + =49595- - =3747 1 =236 59 89 18 78 1924 1324 19
2、36 336 37 47 118 18 14 19 1213 313 25 15 47 27 58 18 19 29 16 16 23 13 910 110 712 512 255 1051 25 13 23 47 27 16 56 910 310 29 49 18 18 381 29 49 1211 111 47 471 89 12 15 12 25 15 34 14 29 59 12 12 58 38 56 16 14 151 56 910 410 1110 38 89 411 191 16 16 34 14 14 78 38 3852183312483139510253189473265
3、41 57 67 18 78 1724 1324 1737 337 37 47 119 19 14 17 89 56 191 36 16 57 67 18 78 1724 1324 1737 337 37 47 119 19 14 17 1110 38 89 56 191 36 1625 4 =89 411 19+ =6543( )=1112 16 1811 =710 310( )=712 34 12（ ）=12 34 38+ - =50- + =6324+ =15-（ + ）=8726+（ ）=910-（ + ）=5-（ + ）=764- + =3921- + - =5+ - - =810-（ + ）=952+ + + =734+ + =10+ + + =459+ + + =273
