(1)1-0.47= (2)6.4-4=
(3)0.25×12= (4)
(5) (6)
(7)0.88÷2.2= (8)0.08×0.5=
(9) (10)72.1×1000=
(济南)计算
(1)3.14×67+8.2×31.4﹣90×0.314
(2)12.65÷12.5÷0.8
(3)(32×0.63×0.95)÷(1.6×21×1.9)
口算.
4.3+5.7= 1100×4= 140×5= (49﹣9)÷8=
54÷6= 720﹣80= 35+27= 0.4+0.5﹣0.3=
计算下面各题,能简便计算的要简便计算.
5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
2.5×6.8×0.4 |
5.6﹣36÷30 |
0.72+9.6÷3.2 |
7.75×[20÷(3.24﹣3.04)]. |
计算题.(能简便的要简便)
①432×109﹣9×432 |
②99×172 |
③9×72×125 |
④463﹣187+137﹣113 |
⑤9.73+0.483+4.83+12.4 |
⑥8.32+5.763﹣2.808﹣1.78 |
⑦384×[150÷(50﹣25)] |
⑧﹣(用小数计算) |
很快算出得数。
⑴5+0.4= |
⑵1.4+2.7= |
⑶8.2+3.7= |
⑷5+2.4= |
⑸1.8﹣2.7= |
⑹7.3+0.9= |
⑺2+5.3= |
⑻2.0+1.8= |
⑼5.7+2.8= |
⑽6+2.2= |
⑾1.5+8.5= |
⑿7.4+1.6= |
⒀5﹣6.5= |
⒁3.2﹣2.3= |
⒂4.2﹣2.2= |
⒃2﹣2.3= |
试题篮
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