五年级乘法简便运算50题

五年级乘简便法运算50题(12)5×..3×452(1)2.×5.46×008.(30)2.5×0.9×3(441).76×12.×58()5.205×.95×4(6)2.51×.520.8×0.4×7(3).20.×52×2.15()802.×35(69)125.×25.32×(10)3.7×1.5+6.33.7(11×10)6.2×.-9.06×.29(210.9)34×5.+.90×475.(3)165.5×9+956.(5147.)×9.3-779×.3.71()576×2.7.+.4×2.7(216).131×7+.3×13(817)7.591×1.-818×7..5(81).7×1271.2-.×717.19(0).4×1.5+175×1.2.620)3(6×..0353.6-×.053(2)1.27×.9+8.02×72.(22)1.8×8.5+064.2×8.(6329.)99×.88+81.12×99.924)4.5×(2-5502×.5(25).4×7.4878×+.065(6)3.62×.74-6×033.7(72)1100.×7-80.9×81(28)76.6×3.+6.36×67(.2)9.57×80.2×25(3+0).4×657+.3×44(36)1314.×.60831+4×0.03.2（32）4×1.585+.5×5158.（3）0.729×343+0.3576729×（433）41×.004+33.147.×-2134×0.15（3.）0.587×.9+90.87（6）3217×..9+91.2（773）.9999×+.97.99×321.-288×7..393（8）.9×99+99.939（）49×.99+49.（4）0142.×991+4.241（）.4×19-1.94(240).651×10(4)7.391.01×(4)445×.0.2(1451)01×25.(640).9×19(97)40.3×4023(48).35×1601(.4)0.9589×9.(05)45.1×20