A:his
B:her
C:their
两个自然数的和与差的积是41,那么这两个自然数的和是____。
70×8 =____ 405 × 2 =____ 50÷5=____ 6×110=____
420÷7=____ 39÷3=____ 400÷4=____ 300×5=____
291×0=____ (20+30)×5=____ 4+2×8=____ 70-6×0=____
He had a new shirt ________ he didn't like it.
下列关于种子的说法,不正确的是( )