 + = | 0.12+0.98= | 12.5%×80= | （ - ）×12= |
8÷ -÷8= |  + -+= | 0.125×25×32= | 0.23= |
+= ， | 0.12+0.98=1.1， | 12.5%×80=10， | （-）×12=5， |
8÷-÷8=6 ， | +-+= ， | 0.125×25×32=100， | 0.23=0.008． |
故答案為：，1.1，10，5，6，，100，0.008．
-）×12可根據(jù)乘法分配律計算；+-+可根據(jù)加法交換律計算；
科目：小學數(shù)學 來源： 題型：
| 3.2×0.2= | 1.4×0.4= | 3.3÷3= | 1.2÷0.3= | 0.56÷8= |
| 2.5×0.4= | 1.5×2= | 0.7×7= | 7.3+0.3= | 1.23×3= |
| 0.53-0.3= | 1.8×0.5= | 0.9×0.01= | 0.23×3= | 1.6÷0.04= |
| 2-1.2= | 7.8÷6= | 8.4÷0.21= | 8.4÷0.7= | 1.23×3= |
| 5.6+3.6= | 9-2.35= | 0.56÷8= | 7.3+2.7= | 4.8÷1.2= |
| 5.6÷0.4= | 4.5÷0.9= | 8.1×2= | 90÷3= | 7.2÷0.9= |
| 1.23+3= | 5.6+1.23= | 4.5×2= | 5.6÷1.4= | 6.6÷1.1= |
| 2.1÷3= | 0.6×0.5= | 3.23×2= | 1.8÷3= | 7.2÷6= |
| 12.5÷0.1= | 0.32÷0.8= | 1.6+3.7= | 0.45×0.2= | 4.8÷0.08= |
| 0.36÷1.8= | 0.4×0.5= | 8.4+5.6= | 8.4÷2.1= | 1.8×0.4= |
| 0.01×8= | 7.31×100= | 0.09×6= | 0.8×0.6= | 3+2.3= |
| 1.25×8= | 3÷5= | 2.3+2.3= | 6.23+3.6= | 9.3÷3= |
| 4.8÷0.8= | 7.5-4.5= | 5.7+4.3= | 0.75÷15= | 1÷0.25= |
| 1.2×60= | 6÷0.2= | 0.21×4= | 0.25×4×9= | 2.33×1.2= |
| 0.62÷0.62-1= | 5+3.2÷0.8= | 7.5÷2.5×0= | 3.9×0.01= | 0.001+10.099= |
| 3-0.98= | 6×0.25= | 0.63÷0.9= | 8.95÷0.895= |
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| 0.02×0.1= | 5.06x-4.07x= | 12-7.8= | a+0.4a= |
| 12÷0.3= | 4.6x+2.7x= | 1.7+0.43= | 0.58a-0.47a= |
| 1.5×0.4= | 4.8x-3.1x= | 1.25×0.2= | 12a-8.4a= |
| 64.32÷16= | 6x-4.9x= | 5.1b+11.9b= | 1.23÷3= |
| 100×0.01= | 3.4×0.07= | 3x+4x= | 0.42÷0.1= |
| 4.3b-2.7b= | 7÷0.25= | 5.1x+2.9x= | 1.75×0.8= |
| 0.3×0.4= | 5.4+1.4= | 2.7x+3.6x= | 16÷1.6= |
| 10x-3.7x= | 0.98+1.82= | 2.5x+4.3x= | 0.05×0.8= |
| 6.05x-4.96x= | 3.7a+5.2a= | 3.2÷1.6= | 3.12÷0.5= |
| 3.5+7.6= | 5.1a+3.9a= | 10×0.75= | 3b-0.7b= |
| 5.6×0.1= | x×x= | 0.9÷0.01= | 3.4b+5.6b= |
| 72.8÷0.8= | 2.7b+5b= | 3.5×3= | 7.6b-4.3b= |
| 32= | 2.52= | 4x+5x= | 3.5t-t= |
| 8a-3a= | 7b+b= | 4c-2c= | 3.5b+2.7b= |
| 0.32÷0.04= | 0.51×0.2= | 0.12+3.4= | 102= |
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| 180÷60= | 12×25= | 0÷90= |
| 4×5÷4×5= | 0.25×4+4= | 131+218+269+182= |
| 25×6×4= | 420÷35= | 36×5×4= |
| 120÷5÷3= | 198-75-25= | 120-20÷5= |
| 59億-58億= | （1.3+3.5）÷0.6= | 75÷2.5= |
| 0.45÷1.25÷8= | 2.5×7.6×4= | 97.6÷0.02= |
| 8.8-（0.25+0.4）= | 0.25+87+0.75= | 0.8-0.35×2= |
| 0.1÷0.01×0.1= | 9.9+9.9×99= | 2.7×3.6+6.4×2.7= |
| 720÷8÷9= | 2.9+5.7+2.1= | 2-0.16-0.64= |
| 16.7+84.5-16.7= | 6.8-（3.8+2.9）= | 9×1.3+9×6.7= |
| 5.5-5.25+5.2= | 0.8×25-10= | 42.8×25×4= |
| 7.2+2.8= | 0.9÷0.01= | 3.5+7.6= |
| 3×0.2×0.5= | 0.96÷0.3= | 1.5×0.4= |
| 7÷0.25= | 2.5×0.7×0.8= | 8-2.5= |
| 16÷1.6= | 5.6×1.01= | 8×（2.5+0.25）= |
| 0.36+0.64= | 64.32÷16= | 72.8÷0.8= |
| 8.4×0.2+1.6×0.2= | 8.4÷4.2= | 0.05×0.8= |
| 2.56-0.37= | 1.23×3= | 25×0.8×0.5= |
| 12×2.5= | 3.2÷1.6= | 3.5+3.5×3= |
| 19.6÷2= | 8.8÷2.2= | 3.9+2.03= |
| 7.2×0.3+2.8×0.3= | 13.8+9.9= | 2.4×2.5= |
| 0.75×4= | （1.5+0.25）×4= | 4.2÷0.1= |
| 4.2÷3.5= | 2.14-0.9= | 27+456+73= |
| 12÷0.3= | 2.87÷0.7= | 13÷4= |
| 24÷4+56÷4= | 2.1×0.3÷2.1= | 2.3-0÷8.1= |
| 1.37-1.37÷1.37= | 4.4÷（5×0.2）= | 7×1.3= |
| 0.96÷0.06= | 0.36×0.3= | 0.35÷0.7= |
| 13.65÷13= | 4×0.8×0.25×1.25= | 13+0.7÷0.7= |
| 7.05×23.7+7.05×76.3= | 0.125×3.2×2.5= | （12+23.1÷0.75）×0.4-5.12= |
| 728+199= | 637-201= | 16×25= |
| 1.6×[（12-7.2）÷（0.84÷2.1）]= |
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科目：小學數(shù)學 來源： 題型：
| 20+30= | 12×3= | 3.5-0.2= | 33÷1.1 | 99×6= | ||||||||||||||||
| 0.65+2.35= | 0.1×0.03= | 651-105= | 2-
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（0.27+0.9）÷0.9= |
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科目：小學數(shù)學 來源：同步題 題型：口算題
我會直接寫得數(shù)。
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