第1个回答 2013-06-14
1/2+1/3=5/6 2/3+6/1=5/6 5/6-3/1=1/2 8/13+1/11=101/143
7/12-3/4=-1/6 5/11+7/12=137/132 3/5-4/7=1/35
5/12+3/4=7/6 8/9-9/8=-17/72 35/12-9/4=2/3
12.3×4×0.25
12.96－（9.6－1.52）
1.2÷0.25＋1.3×4 （4.8＋6.4）÷8
40.5÷0.81×1.05 8×4.3×12.5
(9.6+3.2)÷0.8
（300－94.8）÷0.5 0.648÷[（0.4＋0.5）×0.6]
0.008+0.92×5－1.28 5.6×(12.5－8.5 ÷0.85)
1.2×12+23×2
2.15×11+11×18
3.85÷5-15÷5
1.1/3*(5*(2/3))
2.(1+37%)*20
3.35/2*75%
4.30*(50/2)
5.(54+10%)/20
6.(25/3*18)*30%
7.(2+70%)*40
8.1/7*(98*(1/4)*2)
9.25%*((23+2%)*4)
10.(30+20%)/2
11.12*3/(25+20%)
12.30/(3+40%)
13.27/8*16*10%
14.(2/3)*(3+6)*(1/2)
15.45*(1/9)*24
16.(35+10%)*27
17.(45+50%)*3*1/2
18.(43*20%)+(3*(1/9))
19.27*(9*(1/3))*5%
20.14*15%+25*8*(1/4)本回答被网友采纳