5道简便运算练习题 1.9又2/5-(3又3/7+0.4)=2.6.25-40÷16*2.5=3.9204÷13+19*107=4.1.8*1/4+32*2.5%-1÷4=5.1*3*5+2*6*10+3*9*15+4*12*20 ←分数线→ = 1*2*3+2*4*6+3*6*9+4*8*12
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![5道简便运算练习题 1.9又2/5-(3又3/7+0.4)=2.6.25-40÷16*2.5=3.9204÷13+19*107=4.1.8*1/4+32*2.5%-1÷4=5.1*3*5+2*6*10+3*9*15+4*12*20 ←分数线→ = 1*2*3+2*4*6+3*6*9+4*8*12](/uploads/image/z/15219179-35-9.jpg?t=5%E9%81%93%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E7%BB%83%E4%B9%A0%E9%A2%98+1.9%E5%8F%882%2F5-%EF%BC%883%E5%8F%883%2F7%2B0.4%EF%BC%89%3D2.6.25-40%C3%B716%2A2.5%3D3.9204%C3%B713%2B19%2A107%3D4.1.8%2A1%2F4%2B32%2A2.5%25-1%C3%B74%3D5.1%2A3%2A5%2B2%2A6%2A10%2B3%2A9%2A15%2B4%2A12%2A20+%E2%86%90%E5%88%86%E6%95%B0%E7%BA%BF%E2%86%92+%3D+1%2A2%2A3%2B2%2A4%2A6%2B3%2A6%2A9%2B4%2A8%2A12)
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