=2.73*3=3(2+0.7+0.03)=6+2.1+0.09=8.19
0.5乘6乘2.73
先用0.5*6 算出来等于3 再用3*2.73
2.73*0.5*6简算 解:采用结合律,原式=2.73x0.5x6=2.73x3=8.19
2.73*3=8.19
2.73*0.5*6简算 解:采用结合律,原式=2.73x0.5x6=2.73x3=8.19
2.73 x 1.5 x 6=2.73 x (1.5 x 6)=2.73 x 9=2.73 x (10 - 1)=2.73 x 10 - 2.73=27.3 - 2.73=24.3希望我的回答对您有帮助,满意请采纳,谢谢.
2.87x( 0.5*6)=2.87*3=8.61
0.34乘0.5乘6= 0.34乘(0.5乘6)= 0.34乘3= 1.02
(1)2.73+0.85+0.15+3.27=(2.73+3.27)+(0.85+0.15)=6+1=7 (2)3.25-(0.25+0.86)=3.25-0.25-0.86=3-0.86=2.14 (3)0.25+3.68-0.25+2.32,=(0.25-0.25)+(2.32+3.68)=0+6=6 (4)92.8-35.6-24.4,=92.8-(35.6+24.4)=92.8-60=32.8 (5)102*0.45=(100+2)*0.45=