按有效数字运算规则，0.854×2.187+9.6×10－5－0.0326×0.00814 = A: 1.9 B: 1.87 C: 1.868 D: 1.8680
按有效数字运算规则，0.854×2.187+9.6×10－5－0.0326×0.00814 = A: 1.9 B: 1.87 C: 1.868 D: 1.8680
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按有效数字运算规则，0.854×2.187+9.6×10－5－0.0326×0.00814 = A: 1.9 B: 1.87 C: 1.868 D: 1.8680