4×21 ÷4×21 =0
125 = 1÷0
8 ×10%=1-35%=(41 -51 )×201 = 9191×91= 5— 1
6= 20×500= 199+65= 1
5×25 =24×38 =2
6=43× 95= 32+ 41= 4
12= 21 +71 = 109÷32 = 1
35 ×56 +1
35 ÷6= 831)6141(480
99×9+0
56÷8= 32 ×51 ÷2×15=7×3
14×72 =4÷54 -54 ÷4= 4- 38 - 58 =34 ÷12 = 4×56 = 400÷25÷8=41 ×0
16×83 =21 -31 +51 =251 ×115 = (41 -51 )× 20= 181 ×6
4= 420+590= 72÷3=6
3×91 ×0
5÷43 ÷21 =0
125 ×16= 2
42= (4181)×4= 4143= 7779 ×17 =(41 -51 )×20= 181 ×6
4= 1÷10%= 1-0
92= 2+2%= 65 ×0
12÷21 =125×1
28= 8÷20=2-53 = 100×1%= 4143= 6
25= 53 ÷51 -51 ÷53 = 12
5 ×8= 34 ×23 = (14+13) ×24= 1÷32×23 =31 ÷3-91 = 2006 - 619=6
03= 88-55=199+65=2
01= 51 +61 +54 = 571-402=(0
25+14 +12 ) ×8=13 ×19 ÷13 ×19 =0
8= 81 ×1
25×8= 10÷0
9+59 =10-4