125x(0.8x125x3.7用简便计算?
125x(0.8x125x3.7用简便计算?
=125X(100X3.7)
=125X370
=125X(300+70)
=37500+8750
=46250
125x(16x3)的简便计算
原式
125x(16x3)
=125x48
=125x(8x6)
=125x8x6
=1000x6
=6000
125x99+125x999-98x125简便计算
125×99+125×999-98×125
=125×100-125+125×1000-125-(100×125-125×2)
=125×100-125+125×1000-125-100×125+125×2
=125×100+125×1000-100×125+(125×2-125-125)
=125×100-125×100+125×1000
=125000
或者更容易的
125×99+125×999-98×125
=125×(99+999-98)
=125×1000
=125000
8x7x125x3的简便计算?
原式=(8*125)*(3*7)
=1000*21
=21000
如有帮助望采纳,谢谢!
125x(80 4)用简便计算
125x(80+ 4)
=125*80+125*4
=10000+600
=10600
125X(25X32)可以简便计算吗
125X(25X32)
=(125×8)×(25×4)
=1000×100
=100000
125x(8x16)简便计算法125X(8X8X2)=125X8X8X2=1000X8X2=80
125x(8x16)
=(125x8)x16
=1000x16
=16000
0.888x125x73+999x3的简便计算
0.888x125x73+999x3
=111x0.8x125x73+111x9x3
=111x73+111x27
=111x(73+27)
=111x100
=11100
2.18x16x125简便计算
2.18x16x125简便计算
解:
2.18x16x125
=(2.18×2)×(8×125)
=4.36×1000
=4360
125x32x125的简便计算
125×32×125
=125×4×2×4×125
=500×2×500
=1000×500
=500000