34.8*6.3 13*1.25 473*0.37
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/05 06:33:33
原式=1.25*19-3*1.25=1.25*16=1.25*8*2=10*2=20
一亩地是约666.67平方米34.8万平方米=348000平方米348000/666.67≈522(亩)希望采纳
34.8×6.3+13×5.25+473×0.37=348×0.63+125×0.37+348×0.37+13×5.25=348×1+125×0.37+13×5.25=348+1.25×37+13×1
3.6*1.25-2.5*1.25=1.25x(3.6-2.5)=1.25x1.1=1.25x(1+0.1)=1.25x1+1.25x0.1=1.25+0.125=1.375
51.7-34.8=51.7-(35-0.2)=51.7-35+0.2=16.7+0.2=16.9710-182=710-(200-18)=710-200+18=510+18=5281.25*2.4=
34.8*88.8/4.44=34.8*(88.8/4.44)=34.8*20=69612.5*(6+2.4)+2.5*0.4=2.5*5*(6+2.4)+2.5*0.4=2.5*(30+12)+2.
3.5*1.25+1.25+3.5/0.8=3.5*1.25+1.25+3.5*1.25=1.25*(3.5+1+3.5)=1.25*8=10
34.8×0.25=4*0.25*8.7=8.77.43x6.5-74.3x0.55=7.43*(6.5-0.55*10)=7.4383.4÷2.3+31.6÷2.3=(83.4+31.6)/2.3=
14.2×1.25+1.25×0.5+5.3×1.25=1.25×(14.2+0.5+5.3)=1.25×20=25
12.75:1.25=12.75*4:1.25*4=51:5=51/5=10.22分之7:7分之30=2分之7*14:7分之30*14=49:60=49/60
13.5-(3.8*1.25-1.25+7.2*1.25)=13.5-1.25*(3.8-1+7.2)=13.5-1.25*10=13.5-12.5=1
1、1.25×1.25.×0.8×0.820个1.2521个0.8=(1.25×0.8)×(1.25×0.8)×...×(1.25×0.8)×0.8=1×1×......×1×0.8=0.82、0.1
1.25*7+1.25-2.4=1.25*(7+1)-2.4=1.25*8-2.4=10-2.4=7.6
34.8*6.3+473*0.37+13*1.25=34.8*6.3+47.3*3.7+13*1.25=34.8*6.3+34.8*3.7+12.5*3.7+1.3*12.5=34.8*(6.3+3.
5.35*34.8+53.5*52%+6*53%=5.35x34.8+5.35x5.2+6x0.53=5.35x(34.8+5.2)+3.18=5.35x40+3.18=214+3.18=217.18
1.25*5.3+1.25*4.3-1.25*0.4=1.25*(5.3+4.3-0.4)=1.25*9.2=1.25*4*2.3=5*2.3=11.5
a-34.8+7.2合并同类项得出a-27.6a-34.8-72合并之后得出a-106.8第二个结果减去第一个结果得出-79.2,这就是说小丽计算出来的结果与正确答案少了79.2,也就是说,小丽的结果