题目列表(包括答案和解析)
口算.
|
(1)6.4 +3.6= |
(2)0.9 -0.09= |
(3)1 -0.05= |
|
(4)0.3 +0.5= |
(5)5.7 -0.9= |
(6)7.3 +2.7= |
|
(7)0.3 +0.65= |
(8)3.5 -2.5= |
(9)1.75 +0.25= |
|
(10)4.63 +2.4= |
(11)4.7 -3= |
(12)3.6 -1.8= |
|
(13)0.06 +15= |
(14)2 -0.68= |
(15)0.28 +1.5= |
|
(16)10 -0.8= |
怎样算简便就怎样算.
5.17-1.8-3.2 15.24-(4.39+5.24)
12.5+13.3-12.5 7.85+2.34-0.85+4.66
4.25+3.7+6.3+6.75 35.6-1.8-15.6-7.2
口算.
|
(1)1.4 +3.8= |
(2)9.7 -6.5= |
(3)3.75 -2.25= |
|
(4)10 -9.2= |
(5)4.2 -1.6= |
(6)42.3 +5.6= |
|
(7)0.27 +0.73= |
(8)4.24 +3.6= |
(9)1.4 +0.3= |
|
(10)0.5 +0.08= |
(11)1 -0.03= |
(12)7.2 -3.7= |
|
(13)3 -0.52= |
(14)4.6 -1.4= |
(15)0.12 +0.03= |
|
(16)4.6 -1.4= |
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= |
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