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直接写得数. 427+527= 58-18= 910+910= 0.7×8= 0.56÷1.4= 7.5×0.2= 0.56÷1.4= 20.5÷0.5= 5÷25= 0.2×0.4= 2÷0.5=

编辑:chaxungu时间:2026-04-27 13:34:08分类:小学数学题库

直接写得数.
4
27
+
5
27
=
5
8
-
1
8
=
9
10
+
9
10
=
0.7×8=0.56÷1.4=7.5×0.2=
0.56÷1.4=20.5÷0.5=5÷25=0.2×0.4=2÷0.5=2.6+2.4×2=
4
27
+
5
27
=
1
3
5
8
-
1
8
=
1
2
9
10
+
9
10
=
9
5
0.7×8=5.6,0.56÷1.4=0.4,7.5×0.2=0.15,
0.56÷1.4=0.4,20.5÷0.5=41,5÷25=0.2,0.2×0.4=0.08,2÷0.5=4,2.6+2.4×2=7.4.