18÷20×3.75 1.45× (7.2÷2.4)
0.78+0.22÷5 (7.5-2.3×0.4)÷0.01
0.125×80=
10÷0.5=
4.17-3.17×0=
10a-3.6a=
1.6×0.6=
12÷0.03=
0.3×0.3×0.3=
b×4×b=
0.67×8.6= ★5.88÷0.56= 1.7÷3.8≈ (得数保留一位小数)
2.05×8.4= 14.75÷5.9= 5.7÷2.6≈(得数保留两位小数)
0.32×12.5×0.25
12×0.95+1.2×0.5
5.2÷1.3×0.4
2.4×1.2÷2.4×1.2
1.5×[1÷(2.1-2.09)]
9.9×2.7
①19.6-5.6×1.05
②4.05÷0.5+10.75
③10.5÷(8.4-4.9)
④4.8×0.27+5.2×0.27
⑤89.89÷1.25÷8
⑥(7.89+7.89+7.89+7.89)×0.25