3.8×10.1
2.5×(3.8×0.04)
46×0.33+54×0.33
0.25×39+0.25
0.125×72
7.69×101
(8×5.27)×1.25
62.8÷2.5÷0.4
7.38÷[1.45-(0.4+0.05)]
6.8×0.75÷0.5
3.75÷ 0.125-2.75
1.53+23.4÷7.2
(3.2+2.4)÷0.8
0.25×4÷0.25×4
16.5×7.5÷(1.1×2.5)
①0.25×16.2×4
②375+450÷18×25
③35.6- +34.4-
④ × + ÷
⑤[( - )× ]÷
⑥3.5× +5.5×80%+0.8