①7.2×1.25
②0.46×1.9+0.54×1.9
③0.47×5×0.8
0.9×1.1=
1.4×0.3=
0.6×2.5=
0.4×0.5=
8.5÷0.5=
0.1÷0.01=
6.3÷0.63=
15.5÷5=
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
①(0.32+5.6)÷0.8
②21.3×4+8×2.5
③4.8÷1.2÷0.4
④78.9-2.67÷2÷0.267