1.25x4.68x80=1.25x80x4.68=100x4.68=468
1.25*7.48*80=748回答完毕~~有疑问请追问,无疑问请点击【采纳】~祝学习进步~~~\(^o^)/~
1.25x4.68x8可以应用乘法交换律和结合律使计算简便.1.25x4.68x8=1.25x8x4.68 (乘法交换律)=(1.25x8)x4.68 (乘法结合律)=10x4.68=46.8.
1.25x34.8x80=1.25*80*34.8=100*34.8=3480
1.25*2.36*80=236回答完毕~有疑问请追问~无疑问请点击【采纳】~祝学习进步\(^o^)/~~~
1.25X0.73X80 =1.25X80X0.73=100X0.73=73
1.25x5.93x80 =1.25x80x5.93=100x5.93=593
1.25x86.73x80=1.25x80x86.73=100x86.73=8673
你好!1.25x9.17X80脱式计算1.25*80*9.17=100*9.17=917希望我的回答能对你有帮助.如有疑问,请追问.
列竖式计算1.25X0.4X80X2.5=(1.25x80)x(0.4x2.5)=100x1=100