=
10﹣10%=
8×12.5%=
0.3×0.4=
2.95+0.5=
2÷0.25=
24.51-2.83-7.17 72÷[960÷(145-65)] 6-÷+ 4.5×+5.5×80%
⑴5a=b( ) ⑵a+b= 10( )
⑶a-b=0( ) ⑷=b( )
⑸4a- 5b=44( ) ⑹2a÷4=b( )