⑴2023×0=
⑵1.02-0.34=
⑶0.25×0.4=
⑷3÷12=
⑸1÷55%=
⑹21÷21%=
⑺
⑻910+460=
①8∶15=24∶x
②1.5:0.3=x∶4.2
③:=2:x
④
⑴5a=b( ) ⑵a+b= 10( )
⑶a-b=0( ) ⑷=b( )
⑸4a- 5b=44( ) ⑹2a÷4=b( )
0.15×0.8= 4.12÷4= 2.7+3= +×=
2.4÷= ×= 5-= 6.4×0.5÷6.4×0.5=
8.3+3.62=
1-0.53=
0.35+65%=
0.4×99+0.4=
-0.6=
4.5×2%=
1.25×5×8=
300-79= 0.4×0.8= 1+0.05= 7.26+2.64=
= 1.25×32= ×25%= =
综合算式: