【简答题】How much do bus tickets for s cost? ______ .
【简答题】直接写得数 m 5 × m 5 = m 5 + m h = 5÷ 5 m0 = h 4 × 4 h = 9 m4 ÷ 5 m4 = mm h ×0 = 5 4 × 4 9 = 4 9 ÷m = m÷ 2 5 = m 2 - m 5 =
【简答题】(16) (通道中的细杆) 要运送一根细杆子通过由宽125px和宽250px的通道垂直交叉口,在运送过程中必须保持杆子是水平的(如图4.6),问这根细杆至多可有多长?又通道为园柱形的且细杆不必保持水平,细杆至多可有多长?
【判断题】因为249÷5=49......4,所以249=49×5+4
【单选题】下列易变质的原料药中,对光照最敏感的是( )。
【简答题】脱式计算。 (1)49×16-280 (2)36+24×5 (3)3÷4+28 (4)5×9×29 (5)750÷5÷5 (6)433-11×12
【单选题】Some people______ in part the defeat of the revolution in France and Germany to the English diplomacy.