竖式计算。
⑴6+1.4= |
⑵1.25+12.7= |
⑶6.2﹣3.9= |
⑷5+2.3= |
⑸8.4﹣7.5= |
⑹1.10﹣0.3= |
用竖式计算.
9.73+0.27= |
6﹣1.55= |
3.05×0.66= |
22.5÷0.25= |
直接写出得数.
0.75+0.4= 20+0.78= 4.8+4.2= 5.7﹣3=
4.9﹣1.9= 1.34+0.8= 2﹣0.75= 8.7+0.03=
0.2﹣0.09= 8.5+2.5= 1.6+0.4= 4.5+2.5=
1﹣0.45= 100+0.9= 0.17+0.3= 0.82﹣0.22=
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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