小红买了6个同样的练习本和4枝同样的铅笔,每个练习本0.5元,每枝铅笔0.25元.求一共花了多少元时,有下面几种列式:
5.25×0.94=5.35
63.8×1.25=
8.37×0.56=
①17.05-1.3-8.7+12.95
②0.32×2.5×12.5
③2.78×1.1-2.78
④16.1÷0.23-23.65
⑤5.04×3.7+3.7×3.96+3.7
⑥23.6÷[(6.8-5.4)×2.75-0.9]
7.8-5= 2.8+0.12= 4.1×0.02= 70÷100=
1.35+0.65= 9-3.4= 8.3×100= 1.9÷10=
5.4×5= 7.6+6.6= 2 3.6+8.24= 6.25×1000=
1.25×0.08= 53.2÷100= 0.2×0.04= 2.8×4=
①0.7×7×235.67 ②9.8×235.67÷2
③5×235.67−0.1 ④5×235.67−23.567
①480÷[18.8-(10.5+0.3)]
②125×88
③360÷25÷4
④17.8-(19-3.2)
⑤102×36-72
⑥12-1.56-0.44