0.37+3.23+1.77+9.63
0.58×98
35.5÷2.5÷4
29.8-4.8-5.2
1.25×32×2.5
5.5×16.3+0.37×55
88+8.8= 90÷5= 0.1÷0.2= 0.12×0.8= 0.3²=
÷10= ×0.25= - = + = ×7÷ ×7=