2.25x4.8+89.5x0.48-12x0.48简算
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2.25x4.8+89.5x0.48-12x0.48简算
2.25x4.8+89.5x0.48-12x0.48简算
2.25x4.8+89.5x0.48-12x0.48简算
2.25x4.8+89.5x0.48-12x0.48=(2.25+8.95-1.2)x4.8=48
2.25x4.8+89.5x0.48-12x0.48
=22.5x0.48+89.5x0.48-12x0.48
=0.48×(22.5+89.5-12)
=0.48×100
=48
2.25x4.8+89.5x0.48-12x0.48简算
2.25X4.8+77.5X0.48怎么简算2.25X4.8+77.5X0.48
2.25x4.8+77.5x0.48等于多少?(要求递等式计算)一定给好评!
48x0.69+3.1x4.8(简便计算)
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巧算下列各题(1)(4.5x7.5x4.8)÷(1.5x2.5x2.4)(2)(51x68x78)÷(17x34x1.3)(3)(0.81x0.75x0.48)÷(0.25x0.24x0.27)(4)(0.39x0.7)÷(0.56x3.9)
问一道数学题,急~~~(要简算)48x0.69+3.1x4.8
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数学题解答用简便方法计算下面各题.2.5x4.4 32x0.25x12.5 3.64x0.8+6.36x0.8-3.82.5x4.4 32x0.25x12.5 3.64x0.8+6.36x0.8-3.8
要求用简便方法计算:第一题:48X1.25+50X1.25X0.2X8 第二题:0.12X4.8/0.12X4.8第三题:(6.8-6.8X0.55)/8.5
要求简便计算:第一道:48X1.25+50X1.25X0.2X8第二道:0.12X4.8/0.12X4.8第三道:(6.8-6.8X0.55)/8.5
求解一道算式:48X0.69+3.1X4.8=?要求用最简便的方法计算,