= = == = == 1.05×4= 268÷14×0== 306﹣16= 5.1+0.09=
7+3.3= 550÷5= 6.4+5.1= 4.5﹣2.6=
直接写得数． 6.4+6= 1﹣0.01= 0.42+0.58= 0.35+0.6= 0.74﹣0.3= 0.24+0.8= 19﹣9.4= 0.7+0.34= 10﹣0.99= 5+1.05=
用竖式计算． 3.85+9.66 41.5﹣15.7．
列竖式计算． 2.5+3.7= 37×18= 5.1﹣4.5= 416÷4=
把下面的分数化成小数，小数化成分数== 0.6= 2.4=
= 
= 
=
= 
= 
=
= 1.05×4= 268÷14×0=
= 306﹣16= 5.1+0.09=
=
= 0.6= 2.4=
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