(1)0.28:0.49(2)0.32:48(3)0.15:320(4)35:415(3)18:0.75(6)14:25.-数学
题文
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答案
(1)0.28:0.49=(0.28÷0.07):(0.49÷0.07)=4:7, 0.28:0.49=0.28÷0.49=
(2)0.32:48=(0.32÷0.32):(48÷0.32)=1:150, 0.32:48=0.32÷48=
(3)0.15:
0.15:
(4)
(5)
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题文
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答案
(1)0.28:0.49=(0.28÷0.07):(0.49÷0.07)=4:7, 0.28:0.49=0.28÷0.49=
(2)0.32:48=(0.32÷0.32):(48÷0.32)=1:150, 0.32:48=0.32÷48=
(3)0.15:
0.15:
(4)
(5)
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