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2.9x1.4 7.2÷0.25简便计算

2.9×1.4+27÷0.25 =4.06+108 =112.06

原式=72*(0.82+0.18) 原式=101*(0.25*4) 原式=39*1.4+1.4=1.4*(39+1)

408-12×24 = 408 - 288 = 120 (46+28)×60 = 74 x 60 = 4440 42×50-17 = 2100- 17 = 2083 32+105÷5 = 32 + 21 = 53 420×(327-238) = 420 x 89 = 37380 (4121+2389)÷7 = 6510 ÷7 = 930 3.416÷(0.016×35) = 3.416 ÷0.56 = 6.1 0.8×[(10...

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