7
02
611++565
5811+-+6969
829××9118
f111+=88111÷=9941×=3258×=657
11÷=62150÷=615×=6475+=678÷=659
13-016=55+31=960-430=15+30=510÷30=84+05=045×07=95÷05=433-018=9-009=161÷007=205-47=50x+11=42
÷=4871
×=83
×=48
3120÷15+88×9
86+19+14+81
25×32×125
2
x=2
12
4x+05×6
=65
f315++×48246
16x+12=50
141÷51+×5551
46x÷=37
9494×÷×2727
115--22
87
5x=6
06
351++282
7116+++8787
122××251
f77÷=22111÷=7746÷=5584×=931
11÷=88960÷=815+=9423-=313+=511÷=37
731+11=62-15=620-470=12+10=840÷60=95+04=075×03=77÷07=195+064=105÷007=795+6=126÷009=4x+11=63
×=4424+=33
3519÷17+30×5
26+97+74+03
025×032×125
6
x=64
68
2x+05×9
=95
f149++×80258
2x-21=67
171÷27+×8827
67x-=78
1414×÷×2525
174-+88
17
1x=4
06
571+-464
f4112+++5353
728××8137
57÷=88132-=3328×=3715÷=511
11÷=77125×=211÷=2316÷=469+=718+=79
894-7=65+17=830+320=10+60=980÷70=66-05=095×01=66÷06=411+079=9-026=372+35=58÷002=32x-20=73
÷=6471+=87
3216÷16+17×7
75+52+25+48
250
×032×125
f4
x=25
28
6x+05×3
=7
1110++×72249
25x-28=48
181÷48+×9948
41x÷=53
5252×÷×6565
166-+77
f15
9x=8
02
871++767
1117+-+2828
526××6175
71+=44194-=9924×=3565-=744
11÷=22645÷=715+=4618-=219÷=314÷=73
6+011=84-41=740-410=21+90=840÷70=56-02=08×05=72÷06=168-051=11×09=52+011=176÷008=
×=3591×=r