213+199= 52-0.8= 12.5××0.08= 101×45=
×=
488﹣199=
=
1.25×5×8=
0.16÷0.8=
0.4÷0.2= 1÷= 406﹣299= a﹣a×0=
5.4÷0.09= 7.75+3.86-7.75+1.14= 2.5×0.99×0.4=
26.2+38= 40×0.1÷0.001= 56.27- 3.73-46.27=
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=
2.3×6= 6.5÷0.01= 0.36÷0.4= +=
0.82= 1.2×= -= 4.3÷2.5÷4=
7.15﹣1.5= +0.25=