在每小题的( )中填入相同的数,使等式成立.1.( )x7+16x( )=3222.28x( ) - ( )x16=7.23.( ( ) +1.2x( ) )x3=2644.3.5x( ( )-0.5)=0.5x( )=4.25第四题改一下4.3.5x( ( )-0.5)+0.5x( )=4.25
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![在每小题的( )中填入相同的数,使等式成立.1.( )x7+16x( )=3222.28x( ) - ( )x16=7.23.( ( ) +1.2x( ) )x3=2644.3.5x( ( )-0.5)=0.5x( )=4.25第四题改一下4.3.5x( ( )-0.5)+0.5x( )=4.25](/uploads/image/z/5525778-66-8.jpg?t=%E5%9C%A8%E6%AF%8F%E5%B0%8F%E9%A2%98%E7%9A%84%EF%BC%88+%EF%BC%89%E4%B8%AD%E5%A1%AB%E5%85%A5%E7%9B%B8%E5%90%8C%E7%9A%84%E6%95%B0%2C%E4%BD%BF%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B.1.%28+%29x7%2B16x%28+%29%3D3222.28x%28+%29+-+%28+%29x16%3D7.23.%28+%28+%29+%2B1.2x%28+%29+%29x3%3D2644.3.5x%28+%28+%29-0.5%29%3D0.5x%28+%29%3D4.25%E7%AC%AC%E5%9B%9B%E9%A2%98%E6%94%B9%E4%B8%80%E4%B8%8B4.3.5x%28+%28+%29-0.5%29%2B0.5x%28+%29%3D4.25)
在每小题的( )中填入相同的数,使等式成立.1.( )x7+16x( )=3222.28x( ) - ( )x16=7.23.( ( ) +1.2x( ) )x3=2644.3.5x( ( )-0.5)=0.5x( )=4.25第四题改一下4.3.5x( ( )-0.5)+0.5x( )=4.25
在每小题的( )中填入相同的数,使等式成立.
1.( )x7+16x( )=322
2.28x( ) - ( )x16=7.2
3.( ( ) +1.2x( ) )x3=264
4.3.5x( ( )-0.5)=0.5x( )=4.25
第四题改一下
4.3.5x( ( )-0.5)+0.5x( )=4.25
在每小题的( )中填入相同的数,使等式成立.1.( )x7+16x( )=3222.28x( ) - ( )x16=7.23.( ( ) +1.2x( ) )x3=2644.3.5x( ( )-0.5)=0.5x( )=4.25第四题改一下4.3.5x( ( )-0.5)+0.5x( )=4.25
1. (14)x7+16x(14)=322
2. 28x(0.6) - (0.6)x16=7.2
3. ( (40) +1.2x(40) )x3=264
4. 3.5x( (1.5 )-0.5)+0.5x(1.5)=4.25
322÷(7+16)=14
(14)×7+16×(14)=322
2.
7.2÷(28-16)=0.6
28×(0.6)-(0.6)×16=7.2
3.
264÷3÷(1+1.2)=40
((40)+1.2×(40))×3=264
4.
(4.25+3.5×0.5)÷(3.5+0.5)=1.5
3.5×((1.5)-0.5)+0.5×(1.5)=4.25
如下:
1. (14 )x7+16x(14 )=322
2. 28x( 0.6 ) - ( 0.6 )x16=7.2
3. ( ( 40 ) +1.2x( 40 ) )x3=264
4. 3.5x( (1.5 )-0.5)+0.5x(1.5)=4.25
1.
322÷(7+16)=14
(14)×7+16×(14)=322
2.
7.2÷(28-16)=0.6
28×(0.6)-(0.6)×16=7.2
3.
264÷3÷(1+1.2)=40
((40)+1.2×(40))×3=264
4.
(4.25+3.5×0.5)÷(3.5+0.5)=1.5
3.5×((1.5)-0.5)+0.5×(1.5)=4.25
1:14
2:0.6
3:40
4:8.5
14,0.6,40,1.5
这一题可以设X做,这样可以一目了然了
(14)*7+16*(14)=322
28*(0.55)-(0.45)*16=7.2
{(40)+1.2*(40)}*3=264
1:14;2:0.6;3:40;4:无解;