直接写出得数.
160+70=____
18+35=____
15+28=____
46﹣19=____
24×5=____
480÷40=____
124+18=____
40×20=____
200﹣91=____
3×8÷8×3=____
一I'm too nervous to give a talk before so many people.
— ,Maria.You can do it.