脱式计算.(能简算的要简算)3.5×0.16÷0.8= 2.1÷0.25×4=
脱式计算.(能简算的要简算)3.5×0.16÷0.8=2.1÷0.25×4=93÷0.31÷346.69÷2.3÷0.592÷8÷1.250.252÷1.2÷0.05....
脱式计算.(能简算的要简算)3.5×0.16÷0.8= 2.1÷0.25×4= 93÷0.31÷3 46.69÷2.3÷0.5 92÷8÷1.25 0.252÷1.2÷0.05.
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(1)3.5×0.16÷0.8
=3.5×(0.16÷0.8),
=3.5×0.2,
=0.7;
(2)2.1÷0.25×4
=8.4×4.
=33.6;
(3)93÷0.31÷3
=93×(0.31×3),
=93÷0.93,
=100;
(4)46.69÷2.3÷0.5
=20.3÷0.5,
=40.6;
(5)92÷8÷1.25
=92÷(8×1.25),
=92÷10,
=9.2;
(6)0.252÷1.2÷0.05
=0.252÷(1.2×0.05),
=0.252÷0.06,
=4.2.
=3.5×(0.16÷0.8),
=3.5×0.2,
=0.7;
(2)2.1÷0.25×4
=8.4×4.
=33.6;
(3)93÷0.31÷3
=93×(0.31×3),
=93÷0.93,
=100;
(4)46.69÷2.3÷0.5
=20.3÷0.5,
=40.6;
(5)92÷8÷1.25
=92÷(8×1.25),
=92÷10,
=9.2;
(6)0.252÷1.2÷0.05
=0.252÷(1.2×0.05),
=0.252÷0.06,
=4.2.
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