直接写出得数(近似值符号的是估算题)1322-199=______; 1.87+5.3=______; 2-2÷5=______; (

2025-05-14 19:15:22
推荐回答(1个)
回答1:

1322-199=1123;
1.87+5.3=7.17;
2-2÷5=1.6;
5
7
+
3
8
)×56=61;
603×39≈24000;
4950÷51≈100;
10÷
1
10
×10=1000;
1
9
):
1
3
=
1
3