，已知桂花有40棵，茶花有多少棵？  = |  ÷  = | 8﹣  = | 6×  = |
 ÷  = |  ﹣ = |  × = |  = |
 ÷3= |  = | +  ×  = |  ×4×  = |
 ×0= | ÷  = |  ×75%= |  = |
=
÷ ﹣ = 
，现在胡夫金字塔大约高多少米？
﹣ 
﹣ 
﹣ 
﹣ 
．  ﹣ =________ |  +  =________ |  ÷2=________ | 8÷  =________ |
3.6×  =________ | 2.4÷ =________ |  ÷  =________ |  ×  =________ |
，它的面积是
，还剩（ ）页没看。| A．90 |
| B．100 |
| C．110 |
| D．120 |
正好等于被减数的 
，那么减数与差的最简整数比是 +  =________ | 30   =________ | 0.48÷0.6=________ |  ﹣ =________ |
 ÷2=________ | 3.5﹣3.05=________ |  ÷  =________ | 7 （  +  ）=________ |
  =________ | 1﹣  =________ |  ÷  =________ | 4﹣  ﹣ =________ |
| 0.25 12=________ |   =________ | 3.27+1.83=________ |  +  + =________ |
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