4200÷84=(
4200除以84的简便算法? -
4200 ÷84=4200÷42÷2 =100÷2 =50
4200÷84 =4200÷7÷12 =600÷12 =50
简便计算。4200/84= - 4200 ÷84=4200÷42÷2 =100÷2 =50
4200÷84 =4200÷7÷12 =600÷12 =50
4200÷84 =4200÷(42×2)4200÷42÷2 =100÷2 =50
4200÷84 =42×100÷(42×2)=(42÷42)×(100÷2)=50。
4200÷84简便算法 -
4200÷42÷2 =100÷2 =50
4200÷84 =4200÷21÷4 =200÷4 =50
4200÷84这道题怎么简便计算 -
回答:4200÷84 =4200÷42÷2 =100÷2 =50
4200÷84 =4200÷42÷2 =100÷2 =50
4200除以84的简便算法 -
4200÷84=4200÷42÷2 =100÷2=50.
50