简便计算1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试!

来源：学生作业帮助网 编辑：作业帮 时间：2024/06/10 13:35:51
简便计算1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试!
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简便计算1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试!
简便计算
1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试!

简便计算1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试!
1250X0.037+0.125X160+12.5X2.7=12.5×3.7+12.5×1.6+12.5X2.7=12.5（3.7+1.6+2.7）=12.5X8=100
0.45x72+45x0.18+4.5=4.5x7.2+4.5x1.8+4.5x1=4.5（7.2+1.8+1）=4.5x10=45
50x0.13x0.2=50x0.2x0.13=10x0.13=1.3
3.4x7-1.5
2.33x0.5x0.4x5=2.33x0.5x2=2.33x1=2.33

1250X0.037+0.125X160+12.5X2.7
=12.5X3.7+12.5X1.6+12.5X2.7
=12.5X(3.7+1.6+2.7)
=12.5X8
=100

0.125x4.8x0.25 简便计算 简便计算1250X0.037+0.125X160+12.5X2.7 0.45x72+45x0.18+4.5 400.6x7-2003x0.4 239x732+956x8.2 50x0.13x0.2 3.4x7-1.5 2.33x0.5x0.4x5 9.78x99+9.78 1.6x7.5x1.25 2.5x13+0.9 要用递等试! 12.5x0.9X0.8简便计算 12.5X0.7X0.8简便计算 2.5x0.73x0.04简便计算 简便计算.0.034x0.5x0.6 简便计算 4.31x0.99 0.125x0.25x32（用简便计算） 0.9x0.9x0.9用简便方法计算 8.45X0.27+8.45X0.63+0.845怎么简便计算? 1.25x0.25x0.05x64简便计算 7.25x0.35-7.25x0.25简便计算 0.8X0.25X0.4X1.25简便计算 0.8x0.25x0.4x12.5简便计算啊 1.28x0.29-0.29x0.28简便计算. 12.5X0.64X0.25简便方法计算 1.28x0.29-0.29x0.28简便计算. 2.33x0.5x0.4x5怎么简便计算