9.7+0.03= + = ×33= 0.52=
20%- = 10:0.2= 0×0.9+0.1= 43=
+25%= 1.5× = ÷2= 1÷ - ÷1=
1.25×2.4= 10-10%= ÷ =
40%×50=
60%+80%=
25×40=
18%+13%+9%=
300×2.7=
3.5×75+75×6.5=
0.75×4=
×12.3=
6.1×9.8≈
( ):=
0.04+7.6=
0.92=
6.5+3.5÷10=
0.15×0.8= 4.12÷4= 2.7+3= +×=
2.4÷= ×= 5-= 6.4×0.5÷6.4×0.5=
6.75+2.25= 1.02-0.6= 0.7÷0.01= 4.5+ =
2.5×12= 46×10%= + = 4-1÷3=