1)8888+2308= 11196
2)613*308=188804
3) 194472:222=876
4)188804+11196=200000
5)200000-876=199124
1)
x=7 -x=7
x=-7
2)
x+9=0 -x-9=0
x=-9 -x=9
x=-9
6/16=3/8
9/45=1/5
32/88=4/11
36*14/7*12=504/84=252/42=126/21=6/1=6
-10.8÷6/11=-10 4/5÷6/11=-54/5×11/6=-99/5
12.5×2/9=12 1/2×2/9=25/2×2/9=25/9
-99/5-25/9=-891/45-125/45=-1016/45=
=-22 26/45