问题描述:
x+3/20=46 1/2-3/4x=1/4 1/2x-3/4=1/4 1/8+3
x+3/20=46 1/2-3/4x=1/4 1/2x-3/4=1/4 1/8+3/4x=1/2
2×4/15+x=1 3/4x=5/8x2/15 x-2/3=3/4÷1/2
x+3/20=46 1/2-3/4x=1/4 1/2x-3/4=1/4 1/8+3/4x=1/2
2×4/15+x=1 3/4x=5/8x2/15 x-2/3=3/4÷1/2
问题解答:
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