相关试题
×（
+
）+0.8．
×
+
×[
÷（
﹣
）]．
[（
）
] 
．直接写得数．
698+560=1200﹣909=1.3+0.41=500÷5÷20=
2.7﹣1.58=2.5×0.4=1.4÷3.5=3.65+0.36×0=
452.4÷48.9≈201.2×39≈
=
=
1.65+0.8=3.6﹣0.36=1÷
=8.4+99×8.4=
=
=
=
=
直接写得数．
698+560=1200﹣909=1.3+0.41=500÷5÷20=
2.7﹣1.58=2.5×0.4=1.4÷3.5=3.65+0.36×0=
452.4÷48.9≈201.2×39≈==
1.65+0.8=3.6﹣0.36=1÷=8.4+99×8.4=====
×[1÷（
+
）]42×0.99
+
）×12．
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