文档介绍：480 + 2+ 5=
6300-7- 9=
350 + ( 7X2)
69 + 69X99=
(8 + 40) X 25=
355+260+140+245=
102X99 2X 125=
645-180-245=
382 X 101-382= 4X 60X50=
35 X 8+35 X 6=
44 X 25=
591 + 482 + 118=
99 X 126=
986+1999=
473+79-63=
267-45+74 =
4600 + 25 + 4=
136 X 101-136=
210 + 35X3 =
999+99+9+3=
6+7+8+102+103+104 =
517-53-47=
545-167-145=
344- ( 144+37 )=
236- (177+36)=
88X 125 =
25 X 9 X 4=
8X ( 125 X 13)
(250 X 125) x ( 4X 8)
125 =
125 X 64X25=
25 X 4 X 88 X 125=
125 X ( 40-4)
76 X 103 25 X44=
42 25=
99X9=
99 X 78=
45 X 37+37 X 55=
28 X 21+28 X 79=
X 23-23 X 7=38 X 46+64 X 38 =
99 32+32=
46+46 59=
167 X 2+167 X 3+167 X 5= 39 X 8+6 X 39-39 X 4=
28 225-2 225=
99 22+33 34=
23 4+25 4=
360 + 4+ 9=
+ 12 + 5 =
480+5 + 48=
240 + 5+12=
420 + 35=
2400 + 25=
7800 + 125=
127-98=
672-36+64 =
323+189-123=
七.(6467-832 ) +
(1832-1467 ) = 1530+ (592-530 ) -192= 960 X 46+48=
640 + ( 16+4)=
1000+ ( 125+4)=
3600 + 72=
99 X 83 =
72X125 = 86 X 102=
48X23+48 X 76+48 =
X78+22 X56 =
102 84=
43 101=
102 36-72=
85 - (65-78)=
84000 + 8+125=
32 25 125=
136- (36-74)=
19 X 23-23 X 9=
192 X 8+192 X2=
-36-64=
50 0 6=
57 13= 114 6= 2 380=
1280 + 16 + 8=
273-73-27=
98+265+202=
150 X 6=
3200 + 4 + 25=
17 X 23-23 X 7=
=
70X 140=
25+75-25+75=
99X38+38=
40 X 18=
120 6=
99+5=
2000 + 125 +
8=
40 X 80=
25 4=
1-- ,102+20=
27 + 3X7=
35 X22=