A:works
B:is working
C:has worked
D:worked
直接写出得数.
23.4÷23.4+23.4=____
(4.7-4.7)÷0.75=____
1.5+0.3÷0.3-1.5=____
3.7×1.25×8=____
12.4-7.3-2.7=____
0.125×7+0.125=____