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5.2÷0.4+8.7×3.3-19.6      &nbs

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5.2÷0.4+8.7×3.3-19.6                  1.08×0.8÷0.27
2.05÷0.82+33.6                           9.07-22.78÷3.4
5.2÷0.4+8.7×3.3-19.6      &nbs
（1）5.2÷0.4+8.7×3.3-19.6
=13+28.71-19.6
=41.71-19.6
=22.11；
（2）1.08×0.8÷0.27
=0.864÷0.27
=3.2；
（3）2.05÷0.82+33.6
=2.5+33.6
=36.1；
（4）9.07-22.78÷3.4
=9.07-6.7
=2.37．
                &nbs     (  )4(  )   &nbs 解方程．x÷1.44=0.4       &nbs The      government  &nbs Lucy likes playing        &nbs Thanks for ______.       [&nbs  ( 2.8 + 3.85 ÷ 3.5 )&nbs 1.         &nbs Most children like         TV. &nbs ......   , .,.