口算．
3.2×0.2 1.4×0.4 3.3÷3 1.2÷0.3 5.6÷0.4
2.5×0.4 1.5×2 7.3+2.7 8.4÷0.7 4.5÷0.9
0.53﹣0.3 7.8÷6 8.4÷0.21 0.6×0.5 8.1×2
5.6+3.6 9﹣2.35 0.56÷8 1.23×3 12.5÷0.1．
相关试题
口算．
3.2×0.2 1.4×0.4 3.3÷3 1.2÷0.3 5.6÷0.4
2.5×0.4 1.5×2 7.3+2.7 8.4÷0.7 4.5÷0.9
0.53﹣0.3 7.8÷6 8.4÷0.21 0.6×0.5 8.1×2
5.6+3.6 9﹣2.35 0.56÷8 1.23×3 12.5÷0.1．
+
=
﹣
=
×2=
×
= 54﹣54×0=
×
=
÷4=
=
÷42= 0÷25+2.5=
×
=
×14=
÷4=
+
+
= 1÷
= 321﹣178+257=
= 409×10﹣409= 2.25+7
+
+2.7+2
+1.3=
+
×
8.4÷0.7 470﹣72﹣28 5÷
+
×
×
×25% 698﹣299．
=
﹣
= 4.8÷12=
= 3.9×5×
+1﹣
﹣
= 2.25×4= 0.67+0.33=
÷
=
×80%=（
）×12= 45%÷15%=
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