
4.8+4.8÷0.5的简便计算
简便计算(1)46.8×99+46.8(2)3.61+4.8+5.2+6.39(3)582÷0.8÷12.5....
简便计算
(1)46.8×99+46.8
(2)3.61+4.8+5.2+6.39
(3)582÷0.8÷12.5. 展开
(1)46.8×99+46.8
(2)3.61+4.8+5.2+6.39
(3)582÷0.8÷12.5. 展开
1个回答
展开全部
(1)46.8×99+46.8
=46.8×(99+1)
=46.8×100
=4680
(2)3.61+4.8+5.2+6.39
=(3.61+6.39)+(4.8+5.2)
=10+10
=20
(3)582÷0.8÷12.5
=582÷(0.8×12.5)
=582÷10
=58.2
=46.8×(99+1)
=46.8×100
=4680
(2)3.61+4.8+5.2+6.39
=(3.61+6.39)+(4.8+5.2)
=10+10
=20
(3)582÷0.8÷12.5
=582÷(0.8×12.5)
=582÷10
=58.2
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