题目内容

直接写出得数.(有“≈”要求直接估算)
168+32=
4.5÷0.3=
405×39≈0.8+99×0.8=
1
4
÷
3
4
=
4932÷48≈
8-1.3-6.7=
7
8
×
2
5
÷
7
8
×
2
5
=
(1-
3
7
)×14
=
1-95%=
3
4
+
2
5
-
3
4
+
2
5
=
45÷
5
9
=
168+32=200,4.5÷0.3=15,
405×39≈16000,0.8+99×0.8=80,
1
4
÷
3
4
=
1
3
4932÷48≈100,
8-1.3-6.7=0,
7
8
×
2
5
÷
7
8
×
2
5
=
4
25
(1-
3
7
)×14
=8,
1-95%=5%,
3
4
+
2
5
-
3
4
+
2
5
=
4
5
45÷
5
9
=81,
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