口算．
0.9+0.4= 9﹣0.7= 0.36+0.54= 1﹣0.26=
3.6+0.4= 1.29﹣O.29= 0.74+0.26= 0.57﹣0.5=
2.8+1.12= 6.2+1.8= 2.8﹣2.3= 1.3﹣0.6=
相关试题
直接写得数．
=
= 0.6÷
= 380×0.01=
12.5%+0.875= 20×（1﹣75%）= 9.6÷0.3= 3.8﹣（1.7+1.8）=
1﹣
= 36×（
﹣
）=
与40的
相等，求这个数．
÷
=
÷3=
×
×
=
×9×
=
÷2= 5÷
﹣
÷5= 7﹣
=（1.6+3.2）×0.125=
=
×12=
÷
=
+
=
=
+
=
×
= 3÷
=
=
×
=
+
=
÷
=
÷12=
﹣
=
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