五年级下册数学口算题人教版600道.doc

五年级下册数学口算题人教版600道
五年级下册数学口算题 人教版 600道
17×40, 100,63, ，, ×,
14,, ?, ×500, ，,
1五年级下册数学口算题人教版600道
五年级下册数学口算题 人教版 600道
17×40, 100,63, ，, ×,
14,, ?, ×500, ，,
10,, 4?20, ×200, ,,
?15, ×, 4×, ，,
×99, 420?35, 25×12, 135?,
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = -(+)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = ?17, ，19, ?, ×,
×, 1?5, 6?12, ,,
17×40, 100,63, ，, ×,
14,, ?, ×500, ，,
10,, 4?20, ×200, ,,
?15, ×, 4×, ，,
×99, 420?35, 25×12, 135?,
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = -(+)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = ?17, ，19, ?, ×,
×, 1?5, 6?12, ,,
17×40, 100,63, ，, ×,
14,, ?, ×500, ，,
10,, 4?20, ×200, ,,
?15, ×, 4×, ，,
×99, 420?35, 25×12, 135?,
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = -(+)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = ?17, ，19, ?, ×,
×, 1?5, 6?12, ,,
17×40, 100,63, ，, ×,
14,, ?, ×500, ，,
10,