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1、精品文档(1) 27 + 46 =(2) 90 + 47 =(3) 18 + 15 =(4) 92 + 65 =(5) 18 + 53 =(6) 29 + 32 =(7) 14 + 56 =(8) 72 + 76 =(9) 71 + 68 =(10) 39 + 79 =(11) 64 + 60 =(12) 38 + 69 =(13) 83 + 62 =(14) 12 + 98 =(15) 17 + 84 =(1) 175 + 157 =(2) 645 + 239 =(3) 808 + 213 =(4) 256 + 775 =(5) 607 + 914 =(6) 352 + 708 =(7) 7
2、66 + 792 =(8) 970 + 602 =(9) 343 + 801 =(10) 916 + 861 =(11) 806 + 487 =(12) 691 +400 =(13) 106 + 537 =(14) 353 + 939 =(15) 328 + 114 =(1)810 -125 =(1)900 -168 =(2)648 -585 =(2)300 -186 =(3)398 -148 =(3)900 -554 =(4)716 -117 =(4)800 -200 =(5)704 -124 =(5)700 -666 =(6)449 -312 =(6)300 -122 =(7)713 -2
3、88 =(7)900 -353 =(8)202 -155 =(8)500 -162 =(9)954 -286 =(9)900 -705 =(10)802-668 =(10)400-133(11)860-162 =(11)200-158(12)287-167 =(12)300-257(13)859-371 =(13)400-157(14)941-343 =(14)700-205(15)472-425 =(15)300-288(1) 70 X 5 =(2) 50 X 9 =(3) 10 X 8 =(4) 7 X 30 =(5) 2 X 90 =(6) 70 X 8=(7) 6 X 20 =(8)
4、9 X 70 =(9) 2 X 90 =(10) 20 X 1 =(11) 8 X 8 0 =(12) 60 X 3 =(13) 50 X 4 =(14) 90 X 7 =(15) 6 X 20 =(1) 5 X 10 =(2) 30 X 6 =(3) 70 X 4 =(4) 7 X 80 =(5) 40 X 8 =(6) 4 X 80 =(7) 90 X 4 =(8) 10 X 6 =(9) 90 X 4 =(10) 60 X 9 =(11) 90 X 1 =(12) 3 X 60 =(13) 1 X 50 =(14) 8 X 60 =(15) 2 X 30 =(1) 5 X 24 =(1)
5、 189 X 6(2) 7 X 74 =(2) 8 X 405(3) 6 X 20 =(3) 8 X 751(4) 9 X 71 =(4) 945 X 6(5) 11 X 2 =(5) 520 X 3(6) 68 X 3=(6) 7 X 121(7) 4 X 89 =(7) 881 X 5(8) 49 X 7 =(8) 261 X 5(9) 8 X 47 =(9) 2 X 523(10)4X 46 =(10)5X460(11)5X 60 =(11)6X205(12)79X 3 =(12)9X654(13)82X 4 =(13)727X 7(14)1X 88 =(14)564X 6(15)1X
6、86 =(15)1X162(1)230X700(2)100X800(3)590X860(4)970X710(5)460X540(6)620X570(7)450X530(8)540X310(9)810X850(10)720X680(11)290X240(12)230X740(13)630X470(14)280X670(15)940X760(1)640+ 8 =(2)840+ 6 =(3)120+ 3 =(4)540+ 9 =(5)400+ 8 =(6)900+ 9 =(7)480+ 8 =(8)300+ 6 =(9)400+ 4 =(10)420+ 3(11)400+ 8(12)400+ 4(1
7、3)880+ 4(14)650+ 5(15)270+ 3(1)633 =(1)3393 =(2)705 =(2)4442 =(3)222 =(3)5766 =(4)205 =(4)3906 =(5)205 =(5)2283 =(6)562 =(6)5229 =(7)573 =(7)8733 =(8)905 =(8)5764 =(9)783 =(9)9805 =(10)91-7 =(10)693-7(11)38+ 2 =(11)987+ 3(12)75+ 3 =(12)735-7(13)40+ 8 =(13)428+ 4(14)72+ 9 =(14)153+ 9(15)72+ 2 =(15)83
8、2+ 8(1)1103 =(1)70X40 =(2)5863 =(2)30X10 =(3)1548 =(3)30X10 =(4)6884 =(4)40X20 =(5)3345 =(5)60X50 =(6)4745 =(6)10X30 =(7)4009 =(7)20X70 =(8)3645 =()80X50 =(9)9382 =(9)30X70 =(10)368+ 9 =(10)30X30(11)134+ 4 =(11)40X60(12)788+ 9 =(12)60X50(13)885+ 2 =(13)70X80(14)203+ 8 =(14)50X50(15)184+ 8 =(15)90X60
9、(1) 600 X 50 =(2) 100 X 30 =(3) 900 X 10 =(4) 400 X 60 =(5) 100 X 10 =(6) 40 X 100=(7) 600 X 60 =(8) 700 X 40 =(9) 40 X 600=(10) 100 X 40 =(11) 800 X 10 =(12) 60 X 200 =(13) 60 X 100 =(14) 30 X 400 =(15) 90 X 500 =(1) 40 X 40 =(2) 82 X 90 =(3) 92 X 60 =(4) 18 X 80 =(5) 30 X 81 =(6) 96 X 80 =(7) 50 X
10、 86 =(8) 13 X 10 =(9) 10 X 20 =(10) 30 X 26 =(11) 30 X 62 =(12) 88 X 40 =(13) 88 X 30 =(14) 60 X 45 =(15) 70 X 65 =(1) 600 X 50 =(2) 100 X 30 =(3) 900 X 10 =(4) 400 X 60 =(5) 100 X 10 =(6) 40 X 100=(7) 600 X 60 =(8) 700 X 40 =(9) 40 X 600=(10) 100 X 40 =(11) 800 X 10 =(12) 60 X 200 =(13) 60 X 100 =(
11、14) 30 X 400 =(15) 90 X 500 =(1) 40 X 40 =(2) 82 X 90 =(3) 92 X 60 =(4) 18 X 80 =(5) 30 X 81 =(6) 96 X 80 =(7) 50 X 86 =(8) 13 X 10 =(9) 10 X 20 =(10) 30 X 26 =(11) 30 X 62 =(12) 88 X 40 =(13) 88 X 30 =(14) 60 X 45 =(15) 70 X 65 =精品文档65+ 7 =28 + 4 =3800+ 200=260 - 90=7X 6=7000 + 5=35 + 28 =2X 6- 3=7
12、X 8+ 400=65 + 56=130-94=63 - 9 =82 - 54=56 + 38 =800 - 190 =740 + 680 =64* 8 =54 - 30 + 7 =7X 6+7 =30 + 72* 8 =8000 - 5 =78* 9 =35* 7* 5 =81 - 48 =9X 8 =65 + 55=64 + 6 =400 - 35=6X 5X 7=4X 4- 11 =精品文档400 X 7=440 X 8=600 X 7=80X 6=200X 6=100X 8=60 X 2=300 X 6=500 X 8=400 X 6=100X 5=40 X 6=20X 3=80X 9=6X 300=600 X 8=700 X 6=80X 2=56 X 7 40 X 7=80X 3=70 X 7=300 X 7=500 X 6=36
