95÷(64-45)6.5×(4.8-1.2×4)(284+16)×(512-8208÷18)32.52-(6+9.72
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95÷(64-45)
6.5×(4.8-1.2×4)
(284+16)×(512-8208÷18)
32.52-(6+9.728÷3.2)×2.5.
6.5×(4.8-1.2×4)
(284+16)×(512-8208÷18)
32.52-(6+9.728÷3.2)×2.5.
(1)95÷(64-45)
=95÷19
=5;
(2)6.5×(4.8-1.2×4)
=6.5×(4.8-4.8)
=6.5×0
=0;
(3)(284+16)×(512-8208÷18)
=300×(512-456)
=300×56
=16800;
(4)32.52-(6+9.728÷3.2)×2.5
=32.52-(6+3.04)×2.5
=32.52-9.04×2.5
=32.52-22.6
=9.92.
=95÷19
=5;
(2)6.5×(4.8-1.2×4)
=6.5×(4.8-4.8)
=6.5×0
=0;
(3)(284+16)×(512-8208÷18)
=300×(512-456)
=300×56
=16800;
(4)32.52-(6+9.728÷3.2)×2.5
=32.52-(6+3.04)×2.5
=32.52-9.04×2.5
=32.52-22.6
=9.92.
95÷(64-45)6.5×(4.8-1.2×4)(284+16)×(512-8208÷18)32.52-(6+9.72
将6-4.8=1.2 ,1.2×4 =4.8 ,4.8+1.2=6 ,6÷1.5=4 列成综合算式是( )
计算:(1)(-3)×(-5)-45÷(-15) (2)3×(-4)+(-28)÷7 (3)(-2.5)×(-4.8)÷
(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)
4.8÷0.8表示( ).
简算:(45×27×64)÷(15×9×8)
9÷15=45之()=()分之18 18分之12=6÷()=()÷6 4分之9减去()个4分之1就等于1?
9÷15=45分之( )=( )/18 18分之12=6÷( )=( )÷6
判断题 (1)1.2是4.8的因数,4.8是1.2的倍数.(2)因为6÷0.3=20,所以6是0.3的倍数.
计算.(108÷25)×(75÷18)3.5×(20.6-16.8÷4.8)( 32
6×4分之1+13÷4-18×0.25 5.375-1.87+8分之5 4分之3÷【16分之1+20分之1)×(1÷20
1.5÷[45-(13×3.14×92)÷(3.14×6