简算(1)24×1/5+76÷5(2)5.58-3/5+5.42-2/5

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简算(1)24×1/5+76÷5(2)5.58-3/5+5.42-2/5

简算(1)24×1/5+76÷5(2)5.58-3/5+5.42-2/5
简算(1)24×1/5+76÷5(2)5.58-3/5+5.42-2/5

简算(1)24×1/5+76÷5(2)5.58-3/5+5.42-2/5
24×1/5+76÷5
=(24+76)x1/5
=100x1/5
=20
5.58-3/5+5.42-2/5
=5.58+5.42-(2/5+3/5)
=11-1
=10