A:Never mind
B:Not really
C:I don’t agree
D:You said it
2.3+5.6=____ 16+23= ____ 98÷4= ____
7.8+0.9-1.4= ____ 1.2×1.3÷2= ____
28-13×2= ____ 34-512×67= ____
We ____ ____ ____ ____today.