问题 解答题 710÷57=89×2716=1×78÷78=65×21-65=0×3725=3-1.8×59=43-(12+13)=13×34÷13×34= 答案 710÷57=4950,89×2716=32,1×78÷78=1,65×21-65=24,0×3725=0,3-1.8×59=2,43-(12+13)=12,13×34÷13×34=916.