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试题原文 |
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7.02×900×0.6, =6318×0.6, =3790.8; 0.035÷0.7÷0.5, =0.035÷(0.7×0.5), =0.035÷0.035, =1; 13.6-13.6×0.7, =13.6×(1-0.7), =13.6×0.3, =4.08; 5.62+3.1×0.6+3.38, =5.62+1.86+3.38, =5.62+3.38+1.86, =9+1.86, =10.86; (25-1.25×5)÷2.5, =18.75÷2.5, =7.5; 8.1×0.3+1.8×0.3+0.03, =8.1×0.3+1.8×0.3+0.3×0.1, =0.3×(8.1+1.8+0.1), =3. |
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