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2.25x1.8+1.25x0.18简便计算

简介: (x 为整数 )0 ,x + 2 , 3x + 4,2x +6 ...0.25 1.6 = 1.25 x 3 1 ? 的图形 4 32、请...

(包括脱式计算) 0.25×16.2×4 (1.25-0.125) ...3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 1...


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2.25x1.8+1.25x0.18简便计算

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50道简便计算题还有答案的!!!快点好不好好心人帮帮忙 ...

×2×3.75-1.25×4×0.4) =42.3×(4x0.4x...0.4×6.25] =42.3×(4×2.5) =4237 1.8+18...
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76×0.3 4.5×4 3.4+2.8 1.25+8 2.25×8 ...根据23×18=414,不用计算直?#26377;?#20986;下列各式的积。 ...
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苏教版五年级下册数学计算题

二、简便计算 7.3×99 (1.25+2.5) ×8 9.42×10—94.2×0.9 三、解方程 2(x-0.5)=1.6 四、...
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(273+tr)]1/2×20 =0.05×25×[(98 600—7...(28/22.4)×1=1.25(mg/m3) 3.用非分散红外法...
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