解比例.(1)163:25=167:x(2)X:8=0.125:0.25(3)1.8x=25(4)4.80.6=x12.-六年级数学
题文
解比例.
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答案
(1)
x=
(2)X:8=0.125:0.25, 0.25x=8×0.125, 0.25x÷0.25=1÷0.25, x=4; (3)
2x=1.8×5, 2x÷2=9÷2, x=4.5; (4)
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题文
解比例.
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答案
(1)
x=
(2)X:8=0.125:0.25, 0.25x=8×0.125, 0.25x÷0.25=1÷0.25, x=4; (3)
2x=1.8×5, 2x÷2=9÷2, x=4.5; (4)
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