题目内容
口算
(1)25+14= (2)630-300=
(3)72÷8= (4)3×8÷4=
答案:39;330;9;6
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口算
1-+0.8= | 7.4-(1+)= | 1--= | 1.25×7×8= | 12÷3= |
0.25×0.4= | 4.4-3= | 4÷0.25= | 3÷10%= | 11×6= |
+1÷2= | ×(1-)= | 2×0.75= | ÷= | 5÷25÷0.4= |
0.8××5= | ÷×= | (0.18+)÷9= | ×÷×= | ×÷= |
口算 1.2÷0.2= | 2.5×4= | 0.25+4= | 1.87×0= |
3.5+0.5= | 1.2÷0.4= | 3.6÷4= | 0÷1.25= |
0.12×6= | 0.64×0.03= | 5.8+4.2-6.5= | 7.8÷3= |
0.125×8= | 2.8÷1.4= | 0.25÷0.5= | 7.21÷7= |
0.35÷10= | 3.6÷3= | 6.3÷0.9= | 0.54÷6= |
0.3×0.1= | 1.3÷2= | 0.4÷8=2 | 7.3÷3= |
0.51÷0.3= | 15÷0.01= | 5÷10= | 0.7×12= |
0.2×0.5= | 3.8×0.1= | 0.2×0.2= | 0.04×0.4= |
12.4+7.6= | 8×0.5= | 0.72÷36= | 9×2.5+2.5= |
1.8÷3= | 2.3÷2= | 6.5÷5= | 2.14÷2= |
2.5×4= | 2.7×2= | 0.5×7= | 4.8+3.6+5.2= |
3.4÷1.7= | 2.5+0.2= | 4.5÷5= | 5+2.8= |
0.8×0.3= | 13.5×2×0= | 5.25÷5= | 4×2.2= |
0.12×0.5= | 1.8×5= | 6.24÷2= | 2.83-1.43= |
1.2+2.9= | 3.8÷2= | 1.32×3= | 4.6×7= |