能简便的要用简便方法计算480÷32-15 67+400+233 54×(71-33) 72÷(12×3) 205-98+46 99+(10
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发布时间:2022-04-29 18:18
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热心网友
时间:2023-10-30 12:51
(1)480÷32-15
=15-15
=0;
(2)67+400+233
=67+233+400
=300+400
=700;
(3)54×(71-33)
=54×38
=2052;
(4)72÷(12×3)
=72÷36
=2;
(5)205-98+46
=205-100+2+46
=105+2+46
=153;
(6)99+(101+136)
=99+101+136
=200+136
=336.
热心网友
时间:2023-10-30 12:51
(1)480÷32-15
=15-15
=0;
(2)67+400+233
=67+233+400
=300+400
=700;
(3)54×(71-33)
=54×38
=2052;
(4)72÷(12×3)
=72÷36
=2;
(5)205-98+46
=205-100+2+46
=105+2+46
=153;
(6)99+(101+136)
=99+101+136
=200+136
=336.
热心网友
时间:2023-10-30 12:51
(1)480÷32-15
=15-15
=0;
(2)67+400+233
=67+233+400
=300+400
=700;
(3)54×(71-33)
=54×38
=2052;
(4)72÷(12×3)
=72÷36
=2;
(5)205-98+46
=205-100+2+46
=105+2+46
=153;
(6)99+(101+136)
=99+101+136
=200+136
=336.