(15又5分之2÷1.1+3.75×15分之8)÷2.63-1.68+1.37-0.32
人气:446 ℃ 时间:2020-04-10 03:09:34
解答
=(5分之77÷1.1+4分之15×15分之8)÷2.63+1.37-(1.68+0.32)
=(5分之66+2)÷2.63+1.37-2
=(5分之66+2)÷2.63+1.37-2
=15.2÷2.63-(2-1.37)
=263分之1520-0.63
=26300分之135431
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