题目内容
| 怎样算简便就怎样算． 2.33×0.5×4 | 44.28÷0.9÷4.1 |
| 0.65×201 | 1.08×0.8÷0.27 |
| 9.07-22.78÷3.4 | 1.2×2.5+0.8×2.5． |
①2.33×0.5×4
=2.33×（0.5×4）
=2.33×2
=4.66；
②44.28÷0.9÷4.1
=49.2÷4.1
=12；
③0.65×201
=0.65×（200+1）
=130+0.65；
=130.65；
④1.08×0.8÷0.27
=0.864÷0.27
=3.2；
⑤9.07-22.78÷3.4
=9.07-6.7
=2.37；
⑥1.2×2.5+0.8×2.5
=2.5×（1.2+0.8）
=2.5×2
=5．
=2.33×（0.5×4）
=2.33×2
=4.66；
②44.28÷0.9÷4.1
=49.2÷4.1
=12；
③0.65×201
=0.65×（200+1）
=130+0.65；
=130.65；
④1.08×0.8÷0.27
=0.864÷0.27
=3.2；
⑤9.07-22.78÷3.4
=9.07-6.7
=2.37；
⑥1.2×2.5+0.8×2.5
=2.5×（1.2+0.8）
=2.5×2
=5．
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