
脱式计算,能简便的要简便计算. 14-11.3-1.7 54÷2.5÷0.4 3.2×0.2
脱式计算,能简便的要简便计算.14-11.3-1.754÷2.5÷0.43.2×0.28+0.28×6.880.3-33.3×0.5÷0.37....
脱式计算,能简便的要简便计算. 14-11.3-1.7 54÷2.5÷0.4 3.2×0.28+0.28×6.8 80.3-33.3×0.5÷0.37.
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(1)14-11.3-1.7, =14-(11.3+1.7), =14-13, =1; (2)54÷2.5÷0.4, =54÷(2.5×0.4), =54÷1, =54; (3)3.2×0.28+0.28×6.8, =(3.2+6.8)×0.28, =10×0.28, =2.8; (4)80.3-33.3×0.5÷0.37, =80.3-16.65÷0.37, =80.3-45, =35.3. |
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