直接写出得数1÷ ×7= 1﹣1÷9= 0.75+ = 7÷0.01= 9π= ﹣ ×0= 1﹣0.22= 1÷50%= 12.6﹣1.7=

微信扫码预览、分享更方便

1÷ $\text{[math]}$ ×7=	1﹣1÷9=	0.75+ $\text{[math]}$ =	7÷0.01=	9π=
$\text{[math]}$ ﹣ $\text{[math]}$ ×0=	1﹣0.2²=	1÷50%=	12.6﹣1.7=	2.1× $\text{[math]}$ =

1. (2015·吉安) 直接写出得数1÷ ×7= 1﹣1÷9= 0.75+ = 7÷0.01= 9π= ﹣ ×0= 1﹣0.22= 1÷50%= 12.6﹣1.7= 2.1× =