38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?如果能要怎么算?
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![38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?如果能要怎么算?](/uploads/image/z/3169891-19-1.jpg?t=38.08%C3%B713.6%2A0.72+4.07%C3%978.6%2B9.125+8%C3%977.2%C3%971.2+%E8%83%BD%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E5%90%97%3F%E5%A6%82%E6%9E%9C%E8%83%BD%E8%A6%81%E6%80%8E%E4%B9%88%E7%AE%97%3F)
38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?如果能要怎么算?
38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?
如果能要怎么算?
38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?如果能要怎么算?
38.08÷13.6*0.72
=(40.8-2.72)÷13.6×0.72
=40.8÷13.6×0.72-2.72÷13.6×0.72
=3×0.72-0.2×0.72
=2.16-0.144
=2.016
4.07×8.6+9.125
=(4+0.07)×8.6+9.125
=4×8.6+0.7×8.6+9.125
=34.4+0.602+9.125
=35.002+9.125
=44.127
8×7.2×1.2
=7.2×9.6
=7.2×(10-0.4)
=7.2×10-7.2×0.4
=72-2.88
=69.12
38.08÷13.6*0.72 4.07×8.6+9.125 8×7.2×1.2 能简便计算吗?如果能要怎么算?
38.0/13.6*0.72 4.07*6.8+9.125 计算简便38.08/13.6*0.724.07*6.8+9.125
4.07*8.6+9.125 38.08÷13.6*0.72 93÷0.31÷3 能简算的就简算4.07*8.6+9.12538.08÷13.6*0.7293÷0.31÷3能简算的就简算,写在本子上.
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