用递等式计算，能简算的要简算，写出主要过程．
③ 32×1.25 ②500﹣769.6÷3.7+20
③4
+67.2+5
+32.8 ④（
+
）×18+×1
⑤
÷（4﹣2.4×） ⑥1110÷[56×（
﹣
）]．
相关试题
用递等式计算，能简算的要简算，写出主要过程．
③ 32×1.25 ②500﹣769.6÷3.7+20
③4+67.2+5+32.8 ④（+）×18+×1
⑤÷（4﹣2.4×） ⑥1110÷[56×（﹣）]．
）2= 32×12.5%=
÷
= 2﹣
+
=
+
×13=
+
）=
×
）2﹣（
）2=
+
= 0.375×
=
÷1.5= 1
×7
=
=
12.5×8.24×8=
×12=
+
= 10×
=
﹣
= 1÷
=
=
÷
=
×
=
÷
=
=
=
=
=
= 0.37+1.3=
=
= 2008×99+2008=
=
×
÷2=
×
=
÷3+3÷
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