674-153÷9x2简便计算？

674-153÷9x2简便计算?
674-153÷9x2 =674-17x2 =674-34 =640

265道五年级下册简算题
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270 3\/4 + 1\/4 =1, 2 + 4\/9 =22\/9, 3 - 2\/3 =7\/3, 3\/4 - 1\/2= 1\/4 1\/6 + 1\/2 -1\/6 =1\/2, 7.5-(2.5+3.8)=1.2, 7\/8 + 3\/8 =5\/4 3\/10 +1\/5 =1\/2, 4\/5 - 7\/10 =1\/10, ...

五年级递等式计算题
1.36×(913-276÷23) 2.(93+25×21)×9 3.507÷13×63+498 4.723-(521+504)÷25 5.384÷12+23×371 6.(39-21)×(396÷6) (1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30 (3)28×(5+969.9÷318) (4)81÷[(72-54)×9] 57×12-560÷35 848-640÷16×12 960÷(1500-32×...