题目内容

直接写得数
0.88+0.22=
4
5
-
1
3
=		4.2÷5.6=
6
5
+
1
6
+
4
5
=
1.25×1.6×0.8=6.03×3.9≈
1
4
×8÷
1
4
×8=		0.375×0.625=
1÷25%=38%+1=
①0.88+0.22=1.1；②
4
5
-
1
3
=
7
15
；③4.2÷5.6=0.75；④
6
5
+
1
6
+
4
5
=2
1
6
；
⑤1.25×1.6×0.8=1.6；⑥6.03×3.9≈24；⑦
1
4
×8÷
1
4
×8=64；⑧0.375×0.625=
15
64
；
⑨1÷25%=4；⑩38%+1=1.38．
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直接写出得数．
4.2+3.98=		1.37-0.7=
1.92÷0.04=
1
3
+
1
4
=
1
4
-
2
7
=
1
2
-
2
5
+
4
7
=
76+0.54=0.7-0.62=0.5×0.5=3.5÷10=
21÷3=0.1-0.01=100×0.6=4.3×2=
直接写出得数．
8-5.3=		17.2+8=2÷
1
5
=		75×10%=
1
2
：
1
3
=
0.52=2÷0.4=1.25×
2
5
×8=		12×（
1
3
×
1
4
）=
1
2
×
1
3
÷
1
2
×
1
3
=
57.5-4.25-15.75125×32
5
7
×16.31-
5
7
×2.31
99×
7
98
 		0.76×0.25+
1
4
×0.24
4
13
×0.8+
3
13
×80%+
4
5
×
6
13
．
直接写得数．
0.36+4=		0×
49
78
=		5.7-0.9=0.5÷0.25=
4×
1
2
÷4×
1
2
=		0.22=
4
5
÷80%=
1
3
+
1
4
=
81×
5
9
=		（
1
4
-
1
6
）×12=
列式计算．
①一个数的
1
2
加上2.8，等于12.8，求这个数．
②80的12%加上1.25除0.25的商，和是多少？
148.2-25.62-24.38．

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