脱式计算,能简算的要简算
×4× ×7+ 55×﹣32×
0.125×32×2.5 99.9+0.12+0.1+0.88 9+99+999+9×.
脱式计算,能简算的要简算
×4× ×7+ 55×﹣32×
0.125×32×2.5 99.9+0.12+0.1+0.88 9+99+999+9×.
试题篮
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