A:a1+a101>0
B:a2+a100<0
C:a3+a99=0
D:a51=51
3.6×____>3.6 0.42×____<0.42
5.1×_____<5.1 ____×0.36>0.36
0.248×____=0.248 0.2×____>0.2
David_______ all night in order to watch the football match between France and Italy.