首页 > 口算4×716=45×34=421×716=59-411=59×5=1512-78=57×2.1=113×0.12=112×13=12+23=7-11017=（34+0.25）×10=18×13=11

口算4×716=45×34=421×716=59-411=59×5=1512-78=57×2.1=113×0.12=112×13=12+23=7-11017=（34+0.25）×10=18×13=11

题目简介

口算4×716=45×34=421×716=59-411=59×5=1512-78=57×2.1=113×0.12=112×13=12+23=7-11017=（34+0.25）×10=18×13=11

题目详情

口算
4×
7
16
=
4
5
×
3
4
=
4
21
×
7
16
=
5
9
-
4
11
=
5
9
×5=
1
5
12
-
7
8
=
5
7
×2.1=		1
1
3
×0.12=		1
1
2
×
1
3
=
1
2
+
2
3
=
7-1
10
17
=		（
3
4
+0.25）×10=		18×
1
3
=		1
1
6
-
5
12
=		0.125×1
1
2
×8=
0.125×
2
7
×8=		2.5+1
1
10
=		1
4
9
×1.8=
3
4
+0.25=
5
6
×1.2=
题型：解答题难度：中档来源：不详

答案


4×class="stub"7
16
=class="stub"7
4
class="stub"4
5
×class="stub"3
4
=class="stub"3
5
class="stub"4
21
×class="stub"7
16
=class="stub"1
12
class="stub"5
9
-class="stub"4
11
=class="stub"19
99
class="stub"5
9
×5=class="stub"25
9
1class="stub"5
12
-class="stub"7
8
=class="stub"13
24
class="stub"5
7
×2.1=1.5		1class="stub"1
3
×0.12=0.16		1class="stub"1
2
×class="stub"1
3
=class="stub"1
2
class="stub"1
2
+class="stub"2
3
=class="stub"7
6
7-1class="stub"10
17
=5class="stub"7
17
（class="stub"3
4
+0.25）×10=10		18×class="stub"1
3
=6		1class="stub"1
6
-class="stub"5
12
=class="stub"3
4
0.125×1class="stub"1
2
×8=1class="stub"1
2
0.125×class="stub"2
7
×8=class="stub"2
7
2.5+1class="stub"1
10
=3.6		1class="stub"4
9
×1.8=2.6		class="stub"3
4
+0.25=1		class="stub"5
6
×1.2=1．

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