题目内容
脱式计算.(能简算的要简算.)
| (12-13 )÷13+16 | 19÷(34+56 ) | 551114÷11 |
| 0.6×1825+60%×625+35×125 | (13+18-16 )×24 | 5×(215+120 )-512. |
(1)(12-13)÷13+16,
=(-1)÷13+16,
=-
| 1 |
| 13 |
=15
| 12 |
| 13 |
(2)19÷(34+56),
=19÷90,
=
| 19 |
| 90 |
(3)551114÷11,
=(551111+3)÷11,
=(551111+3)×
| 1 |
| 11 |
=551111×
| 1 |
| 11 |
| 1 |
| 11 |
=50101+
| 3 |
| 11 |
=50101
| 3 |
| 11 |
(4)0.6×1825+60%×625+35×125,
=0.6×1825+0.6×625+35×125,
=0.6×(1825+625)+35×125,
=0.6×2450+4375,
=1470+4375,
=5845;
(5)(13+18-16)×24,
=(31-16)×24,
=15×24,
=360;
(6)5×(215+120)-512,
=5×335-512,
=1675-512,
=1163.
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