56+37=80-16=31.5+5=12-1.1=2×0.2=2.87÷0.7=30÷50=25×8=38×45=14+15=16+56=715-115=415÷25=12×23=1÷45=0×78=-数学

题文

56+37=80-16=31.5+5=12-1.1=
2×0.2=2.87÷0.7=30÷50=25×8=
3
8
×
4
5
=
1
4
+
1
5
=
1
6
+
5
6
=
7
15
-
1
15
=
4
15
÷
2
5
=12×
2
3
=1÷
4
5
=0×
7
8
=
题型:解答题  难度:中档

答案

56+37=93; 80-16=64; 31.5+5=36.5; 12-1.1=10.9
2×0.2=0.4;2.87÷0.7=4.130÷50=0.6;25×8=200;
3
8
×
4
5
=0.3;
1
4
+
1
5
=0.45;
1
6
+
5
6
=1;
7
15
-
1
15
=0.4;
4
15
÷
2
5
=
2
3
;12×
2
3
=8;1÷
4
5
=1.25;0×
7
8
=0.

据专家权威分析,试题“56+37=80-16=31.5+5=12-1.1=2×0.2=2.87÷0.7=30÷50=25×8=38×..”主要考查你对  万以内的数的加法和减法  等考点的理解。关于这些考点的“档案”如下: