(1) |
(2) |
( )×( )=( ) ( )÷( )=( ) ( )÷( )=( ) |
( )×( )=( ) ( )÷( )=( ) ( )÷( )=( ) |
(1)4×3=12;12÷4=3;12÷3=4 | (2)5×3=15;15÷5=3;15÷3=5 |
科目:小学数学 来源: 题型:
脱式计算,能简便的就简便 4.2×99+4.2 |
0.25×32×12.5 | 21.4-1.4×1.5 |
(40-0.8×4)÷0.4 | 56×10.1 | 9.8÷2.5÷0.4. |
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科目:小学数学 来源: 题型:
1.23÷3= | 0.8×11= | 1-0.75= |
1.7×0.4= | 0.36÷12= | 1.6+0.38= |
1.2÷0.3= | 0.75×4= | 15×0.4= |
2.14-0.9= | 4×0.25= | 10÷2.5= |
0.4×52= | 1.6×0.4= | 9.6÷6= |
4.3-0.4= | 7-6.2= | 0.86-0.3= |
8.8÷2.2= | 2.6÷0.2= | 0.15×3= |
0.9÷0.45= | 0.27÷3= | 0.51+1.7= |
0.6÷0.5= | 0.125×8= | 0.38×1000= |
6.8-1.7= | 2.4×0.2= | 32.8+19= |
0.56÷14= | 1÷0.05= | 6÷12= |
0.14×5= | 3×1.4= | 4.9÷0.7= |
0.4÷8= | 6.3+3.7= | 3.5×0.2= |
0.2×12.6×5= | 8.4÷4.2= | 2.4×0.5= |
0÷3.5×0.2= | 0×9.7+2.3= | 1.6×9+1.6= |
3.8+1.2= | 4.8÷0.3= | 530+270= |
7.6÷3.8= | 92÷2.3= | 9.6-1.6= |
7.2+2.8= | 2.63+0.37= | 0.67+1.24= |
0.3×101= |
0.25×8= |
16÷1.6= |
26.1-3.5-7.5= |
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科目:小学数学 来源: 题型:
当a=1,b=2时,在括号里填上“>”“<”或“=”. a2 < < b2 |
a+0.5 = = b-0.5 |
a?b < < a+b |
a2 < < b?b?b |
a÷b < < b-a |
3a+1 = = 2b. |
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科目:小学数学 来源: 题型:
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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