2.5×0.4=
1÷10%=
0.32=
9.2×7.1
6.42÷0.8≈
1-1÷8=
=
0.375×=
1.2:(2+x)=4:9 x+0.8x=0.84
①1.2÷2.4= ② ③9.34+6.6= ④ 0.24×500=
⑤ ⑥7÷= ⑦×2÷×2= ⑧
1+75%=
÷2=
0.2×50=
70%-20%=
4÷8×=
÷25%=
10×10%=
63÷90%=
5×÷5×=
7÷1.4= 0.2×30%= ÷0.1= ÷ =
2-0.75= 324÷3= 1.63+2.3= 0.25×40=
① 9.7+3%= ②0.1×102= ③8.36-1.6= ④100%-0.1=
⑤ 7.8-8%= ⑥42π= ⑦1.5÷= ⑧×60%=
600平方米=公顷 升=升毫升