四年级数学上册简便计算练习题汇编 62.02-10.81-19.19 75.73+65.46-55.73 9.58×95+9.58×5 20×1250×86 80×125-17 81.9-10.21-19.79 35.65+11.13+64.35 6.46×38+6.46×62 7.64×0.2+7.64×9.8 48×1250-21 3.67×1002.99-3.67×2.99 12.43+11.26+87.57 四年级数学上册简便计算练习题汇编 9.27×1.2+9.27×8.8 24×1250-11 7.74×16.29-7.74×6.29 45.73+13.85+54.27 94.64+95.65-44.64 9.67×7.2+9.67×2.8 36×250×54 4.47×1006.08-4.47×6.08 90.04-10.37-19.63 94.16+71.07-44.16 3.91×48+3.91×52 12×1250×66 四年级数学上册简便计算练习题汇编 60.2-12.4-17.6 71.42+33.13-31.42 8.88×98+8.88×2 20×1250×55 32×125-36 90.23-10.02-19.98 97.39+12.66+2.61 8.4×78+8.4×22 7.2×0.3+7.2×9.7 40×25-77 9.9×15.33-9.9×5.33 53.96+11.8+46.04 四年级数学上册简便计算练习题汇编 3.04×1.5+3.04×8.5 56×125-10 8.89×1005.01-8.89×5.01 73.02+11.12+26.98 81.39+30.71-41.39 1.46×4.8+1.46×5.2 12×25×30 4.04×13.12-4.04×3.12 56.17-13.15-16.85 69.35+31.61-19.35 3.23×92+3.23×8 36×25×82
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