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五年级数学简便运算试题:(每题 5 分,18X5=90 分) 1.25×2.5×32 3.65×10.1 3.6-3.6×0.8 15.2÷0.25÷4 9.6÷0.8÷0.4 4.2×99+4.2 0.89×100.1 146.5-(23+46.5) 17.8÷(1.78×4) 5.83×2+4.27 (45.9-32.7)÷8÷0.125 9.7×99+9.7 4.36×12.5×8 15.6×13.1-15.6-15.6×2.1 0.65×101 27.5×3.7-7.5×3.7 8.54÷2.5÷0.4 3.83×4.56+3.83×5.44
