摘要：0+10= 9-9= 5-2= 5-3= 9-3= 9-4= 8-6= 8-7= 9-1= 9-5= 9-6= 3+7= 8+1= 5-4= 6-1= 6-4= 7-1= 2+6= 6+3= 7-3=
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口算．
|
(1)4.8 ＋5.7= |
(2)4.36 ＋1.64= |
|
(3)9 －2.5= |
(4)10 －0.36= |
|
(5)2.39 ＋1.25= |
(6)5.38 －4.28= |
|
(7)0.36 ＋0.47= |
(8)0.91 －0.38= |
|
(9)2.4 ＋3.6－1.2= |
(10)4.5 －1.2＋0.4= |
|
(11)7.25 ＋1.73＋2.75= |
(12)10 －0.15－0.85= |
口算．
|
(1)4.8 ＋2.7= |
(2)6.1 －2.4= |
|
(3)1.3 ＋5.72= |
(4)10 －0.72= |
|
(5)3.36 ＋2.64= |
(6)7.52 －1.32= |
|
(7)7.3 ＋4.7＋2.7= |
(8)13 －1.25－0.75= |
|
(9)4.96 ＋3.9＋5.04= |
(10)7.36 －2.36＋4.2= |
口算．
|
(1)4.8 ＋2.7= |
(2)6.1 －2.4= |
|
(3)1.3 ＋5.72= |
(4)10 －0.72= |
|
(5)3.36 ＋2.64= |
(6)7.52 －1.32= |
|
(7)7.3 ＋4.7＋2.7= |
(8)13 －1.25－0.75= |
|
(9)4.96 ＋3.9＋5.04= |
(10)7.36 －2.36＋4.2= |
口算．
|
(1)4.8 ＋5.7= |
(2)4.36 ＋1.64= |
|
(3)9 －2.5= |
(4)10 －0.36= |
|
(5)2.39 ＋1.25= |
(6)5.38 －4.28= |
|
(7)0.36 ＋0.47= |
(8)0.91 －0.38= |
|
(9)2.4 ＋3.6－1.2= |
(10)4.5 －1.2＋0.4= |
|
(11)7.25 ＋1.73＋2.75= |
(12)10 －0.15－0.85= |