文档介绍：2019年2月1日作业：
36X9-19 =
(34 + 17)X8 =
7249 + 18 =
279-138 + 86 =
(75 + 6) 4-9 =
27X6 + 48 =
(191-34) X4 =
84^7 — ) X8 =
810^9 + 18 =
58X4 + 93 =
(268-172)4-8 =
(387-139) X3 =
844-7X3 =
9= 597X7=
112X8= 878X5= 725X9= 403X
3= 485X5=
2019年2月5日作业：
(295 + 172) X8 =
(95 — 19)3 =
(183—97)^7 =
179X6 + 285 =
(65 + 20E9 =
(283 — 185)X4 =
718-648 + 284 =
640^4X7 =
630^7 + 18 =
(279-104) X7 =
360^3 — 27 =
(263 + 29) X4 =
2=
246X9=
675X2=
735X6= 520X4= 352X6=
189X5=
2019年2月6日作业：
54X4 + 26 =
(487-169) X4= 540^9 — 39 =
72^3X7 =
(183-85)-F7= 183X4 — 567 =
357X9= 133X7= 947X9= 252X
5= 335X7=
594X2= 279X4= 309X3= 661X3=
854X2=
2019年2月7日作业：
(146-28) X6 =
990^9 — 27 =
84^4X7 =
(148-85)-F7 =
935-728 + 258 =
28 + 81^9 =
(182 + 21) X8 =
91^7 + 18 =
(82 + 14)^3 =
313X5= 444 X 2= 756X6= 231X4=
883X7=
669X9= 533X6= 928X9= 490
X3= 167X6=
2019年2月8日作业：
75^5 + 18= (95-53) !7= 394-175 + 38 =
(527-416) X4 =
720^6 — 36 =
64^4X3 =
450^3 — 132= 128^4X6= 82X4+193 =
309X2= 515X5= 273X8= 649X
4= 596X2=
622X7= 878X4= 939X9= 801X8=
889X9=
2019年2月9日作业：
378^9 + 18= (82—61) !7= 836 — 382 + 137 =
(284—148) X4 =
(193 — 148)^7 =
(116+74)X3=
689-483 + 294= 84^6X9 =
156X3 + 157 =
902X7= 123X7= 184X6= 267X9=
348 X 7=
479X4= 564X8= 287X7= 329X
9= 768X3=
2019年2月10日作业：
280^7 — 18= (735-628) X4= (37+48) 4-5 =
87X6 — 378 =
(69—4) 45 =
589 — 278 + 28 =
4843 — 15 =
6444X5 =
(276 — 183) X6 =
334X7=
546X8=
657X5= 794
X3= 716X8=
398X8= 495X5= 594X4= 647X7=
746 X 6=
2019年2月11日作业：
(92-59) 4-3= 943-482 + 63= 91^7 — 13 =
(138-95)X3 =
(39 + 28)^4 =
(93 + 37)X3 =
84X3 + 276 =
(268-176) X4 =
87^3X8 =
893X3=
384X4=
992X2=
188X9=
287X8=
427X7=
526X6=
683X3=
782X2=
2019年2月12日作业:
(938-814) X6 =
»
73X4—137 =
450^3 — 126 =
52X3 + 67 =
68^4X9 =
(47 + 34)^9 =
(172 — 156)^8 =
(72 + 25)X7 =
367 — 178 + 26 =
770^7 + 36 =
(27+54)X5=
85^5X3