8.99+0.1=
1﹣
=
5﹣5÷2.5=
0、5×2.4=
0.1÷0.01=
0.43×（2.7+7.3）=
1.206×0.8≈（得数用四舍五入法凑整到百分位）
2998÷31≈（估算）
相关试题
=
×5=
÷
=
=9.2×12
= 37
÷9=
×21= 5.089×
=
59×
= 12
÷
=
×
÷×=
+（
﹣
）÷1
﹣
=
34×3.1+5.1×14﹣6
=
+
+
+
+
=
3+
+
+
+
+
+
= 4.25×1.32×0.75÷（1
×1）=
÷13=
×9=
÷
=
+
=
=
﹣
=
=
= 0.5×
=
﹣
=
+
= 2﹣
= 0.25+
=
×
=
÷
= 12÷
=
×18=
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