58+37×40÷8计算题
脱式计算58+37×40÷8;42×[169-(78+35)];484÷(32+12)×9;72÷[960÷(245-165)]....
脱式计算
58+37×40÷8;
42×[169-(78+35)];
484÷(32+12)×9;
72÷[960÷(245-165)]. 展开
58+37×40÷8;
42×[169-(78+35)];
484÷(32+12)×9;
72÷[960÷(245-165)]. 展开
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(1)58+37×40÷8
=58+1480÷8
=58+185
=243
(2)42×[169-(78+35)]
=42×[169-113]
=42×56
=2352
(3)484÷(32+12)×9
=484÷44×9
=11×9
=99
(4)72÷[960÷(245-165)]
=72÷[960÷80]
=72÷12
=6
=58+1480÷8
=58+185
=243
(2)42×[169-(78+35)]
=42×[169-113]
=42×56
=2352
(3)484÷(32+12)×9
=484÷44×9
=11×9
=99
(4)72÷[960÷(245-165)]
=72÷[960÷80]
=72÷12
=6
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