文档介绍：185-137= 200-150= 78+97= 17+73=
18+37= 102+65= 129-22= 80+9=
41+153= 134-21= 43-16= 199-36=
104-72= 86-5= 15+39= 102-2=
52-20= 176-147= 7+118= 60+126=
128+25= 186-95= 60-57= 156-105=
90-77= 118+40= 111-52= 59-53=
168-121= 86-60= 94-9= 52+24=
107+46= 84-60= 197-38= 194-106=
50+71= 23+160= 137-25= 189+8=
180-129= 73-69= 110+67= 148+29=
91+54= 42+33= 81+30= 67-41=
160-14= 109-79= 76+9= 72-4=
143-17= 170-133= 168-57= 96+27=
130+65= 21+161= 48+24= 42-10=
41+10= 85-82= 186-103= 64+108=
34+91= 165-99= 40+114= 131-51=
182-10= 176-91= 105-46= 23+62=
11+26= 167-62= 183-124= 198-165=
85+26= 48+116= 97+2= 198-92=
139-49= 54-41= 133-6= 162+12=
82-27= 83+92= 196-12= 174-27=
121-17= 167+14= 33+22= 91-8=
182-6= 188-158= 83+92= 100+41=
190-65= 65+45= 190-5= 123-11=
148÷74= 28x7= 165÷5= 152÷19=
7x15= 177÷3= 3x50= 63÷21=
90÷3= 196÷2= 4x32= 5x17=
75÷15= 16x4= 180÷10= 2x39=
15x5= 114÷19= 119÷17= 126÷3=
100x2= 34x4= 31x4= 66x2=
3x54= 180÷60= 2x13= 9x7=
72÷6= 14x14= 72÷24= 144÷72=
14x12= 19x8= 78÷6= 92x2=
50÷10= 2x75= 92÷46= 8x6=
2x4= 184÷4= 96÷2= 5x18=
123÷3= 100÷50= 198÷6= 9x19=
3x48= 9x11= 11x2= 162÷3=
7x15= 29x6= 91x2= 15x2=
14x6= 8x14= 3x64= 3x65=
165÷15= 175÷7= 12÷3= 32x3=
200÷100= 7x24= 19x4= 24x6=
2x29= 5x2= 38x3= 3x23=
92÷2= 88÷8= 117÷13= 4x21=
17x8= 3x46= 2x20= 3x64=
80x2= 23x8= 32÷2= 4x7=
177÷3= 56÷8= 56÷28= 4x26=
32÷8= 190÷19= 5x2= 132÷33=
66÷33= 196÷28= 2x14= 150÷30=
180÷15= 3x5= 112÷16= 147÷49=
138-112= 69+17= 157+39= 73+59=
106+78= 21+88= 109+75= 154-150=
146-87= 197-171= 188-115= 77-58=
99+24= 44-25= 88+99= 65+44=
76-24= 11+4= 42+68= 147+17=
197-175= 34+90= 183-72= 58+59=
174-54= 101+67= 109-89= 49+67=
115-59= 152-127= 87-51= 4+116=
124-17= 120-56= 154-67= 84+71=
158+38= 103+53= 66+23= 23-8=
49+4= 78+57= 106-69= 66-16=
93-73= 45+46= 4+117= 163-99=
129+7= 96+45= 142-18= 141-74=
170-147= 98-3