×4= ÷= 0.15×= 2.4×(+)
1.6÷= 18××= +×25%= ×÷×=
0.32+3.2=
0.33=
×7+×7=
1÷20%=
×0=
7.4×0.01=
1×= 14×= ×= ×=
÷= 6÷= ÷4= ÷=
1÷=
8×12.5%= 0.07÷0.7= ÷0.25= ×=
-= +20%= 0.18×5= ÷×=
5.2÷0.04= 1.32+0.8= 8 ÷8= 25+7.5=
51.51÷51= + ÷ = 1.5×2÷1.5×2= 149÷30≈