15.6-4.6= 11.2+8= 0.55×2= ÷ =
25×0.8= 0.25÷ = - = 1.5+ =
910÷70=
4.6+6.4=
1+2%=
×=
120÷50%=
×7.2=
×0÷3=
×98=
÷25%= - = 3.14×20= 65×10%=
22÷ = 0.3²= x- x= + =
3.3÷3= 9.1÷0.7= 24.8÷0.4=
0.24÷0.2= 14÷5= 0.57÷3=
58.26-2.3= 16×(1-12.5%)= 5.4÷0.06= 3.5×75%+75%×6.5=
6a×2a= 1÷2.5+2.5×0.8=
=∶=%
72.8÷8=9.1
72.8÷0.8=91
0.315÷1.5=0.21
0.315÷0.15=2.1
①3,6,9,,,,,24。
②54,51,48,,,,36。
三位数□94是3的倍数,□里可以填。
9.09﹣0.9= 0.8×0.32= 50÷10%= 0.125×32× =
7÷14%= = = 2.5+2.5÷5=