口算 4×25125×8056+940÷5675+25-75+2562×30270÷30545÷5360+54035÷5×10.
问题描述:
口算
4×25 | 125×80 | 56+94 | 0÷56 | 75+25-75+25 |
62×30 | 270÷30 | 545÷5 | 360+540 | 35÷5×10. |
答
4×25=100 | 125×80=10000 | 56+94=150 | 0÷56=0 | 75+25-75+25=50 |
62×30=1860 | 270÷30=9 | 545÷5=109 | 360+540=900 | 35÷5×10=70. |