0.77+0.33=1.1, 24×2.5=60, 9.9×36=356.4, 6-
5
12 -
7
12 =5,
503-1.8=501.2,
7
8 ×5.6=4.9,
9
25 :
3
5 =
3
5 , 13÷6.5=2,
0.6×0.6÷0.6×0.6=0.36.
0.77+0.33=1.1, 24×2.5=60, 9.9×36=356.4, 6-
5
12 -
7
12 =5,
503-1.8=501.2,
7
8 ×5.6=4.9,
9
25 :
3
5 =
3
5 , 13÷6.5=2,
0.6×0.6÷0.6×0.6=0.36.