一个数的 比这个数的50%多 ,这个数是多少?
40%x-12=42
x=
x=
x=
1-55%= 85%-37%= ×60%= 0.5-20%=
8÷12.5%= 4×25%= 4÷4%= 50%×10=
7.85+2.5= 810÷30= + = 15× = 486÷62≈
12.5×8= 1-10%=
2.4÷24%= 375-198= 1-1÷6= 0.4×99+0.4=
1.52 = 2.42= 3π=
20π= ÷ = ÷5=
30%+50%= 45×40%= × =
6÷ = ×10% = 1÷100%÷25= 15÷1%=
1.05- = ÷ = ( - )× = × ÷ × =
87%-37%= ×60%= 8÷12.5%=
×12= 2.5÷ = ÷ = 9× ÷ =
× = 0.6÷30%= 3.6× = 1÷10%﹣3=