2.1×5.1×159.1÷0.7÷1.7÷3.7=_.
问题描述:
2.1×5.1×159.1÷0.7÷1.7÷3.7=______.
答
根据题意可得:
2.1×5.1×159.1÷0.7÷1.7÷3.7,
=(2.1÷0.7)×(5.1÷1.7)×(159.1÷3.7),
=3×3×43,
=9×43,
=387.
故答案为:387.