题目列表(包括答案和解析)
(1)0.3×0.04=
(2)
=
(3)
÷60%=
(4)13.8-6.9-3.1=
(5)
×
÷
×
=
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= |
直接写出得数.
|
(1)10.1 +1.01= |
(2)8.5 -0.99= |
|
(3)3.2 +4.9+6.8= |
(4)2.9 +13.21+7.1+0.79= |
口算.
|
(1)12.5 +13.4= |
(2)10.6 +5.4= |
|
(3)15.8 -12.3= |
(4)10 -4.8= |
|
(5)4.5 +3.25= |
(6)7.25 +2.75= |
|
(7)2.78 -1.73= |
(8)5.45 -1.45= |
|
(9)0.18 +2.3+0.82= |
(10)10.5 -2.43-7.57= |
口算.
|
(1)12.5 +13.4= |
(2)10.6 +5.4= |
|
(3)15.8 -12.3= |
(4)10 -4.8= |
|
(5)4.5 +3.25= |
(6)7.25 +2.75= |
|
(7)2.78 -1.73= |
(8)5.45 -1.45= |
|
(9)0.18 +2.3+0.82= |
(10)10.5 -2.43-7.57= |
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