题目内容
| 你想怎样算就怎样算. 775÷25×32 | 237-37×23 | 368-273-27 |
| 165+247+135 | 198+355 | 243-(43+26) |
(1)775÷25×32
=31×32,
=992;
(2)237-37×23
=237-851,
=-614;
(3)368-273-27
=368-(273+27),
=368-300,
=68;
(4)165+247+135
=165+135+247,
=300+247,
=547;
(5)198+355
=200+355-2,
=555-2,
=553;
(6)243-(43+26)
=243-43-36,
=200-36,
=164.
=31×32,
=992;
(2)237-37×23
=237-851,
=-614;
(3)368-273-27
=368-(273+27),
=368-300,
=68;
(4)165+247+135
=165+135+247,
=300+247,
=547;
(5)198+355
=200+355-2,
=555-2,
=553;
(6)243-(43+26)
=243-43-36,
=200-36,
=164.
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