36+98=____
0.72+0.38=____
415 × 38 =____
16 ×5÷ 16 ×5=____
0.32=____
1÷25%=____
1- 59 + 49 =____
19.6×0.1=____
—We all went to the park except you last weekend. Why didn't you come?
—Because I the park twice.
请根据有关信息分别回答下列问题:
如图所示,蹄形磁体用悬线悬于O点,在磁体的正下方有一水平放置的长直导线,当导线通以由左向右的电流时,蹄形磁体的运动情况将是( )