递等式计算(能简便的要简便) 0.11×1.8+8.2×0.11 2.34×99+2.34 5.4÷2.7×0.8
递等式计算(能简便的要简便)0.11×1.8+8.2×0.112.34×99+2.345.4÷2.7×0.8132×1016.25÷1.25÷0.82.5×16....
递等式计算(能简便的要简便) 0.11×1.8+8.2×0.11 2.34×99+2.34 5.4÷2.7×0.8 132×101 6.25÷1.25÷0.8 2.5×16.
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①0.11×1.8+8.2×0.11,
=0.11×(1.8+8.2),
=0.11×10,
=1.1;
②2.34×99+2.34,
=2.34×(99+1),
=2.34×100,
=234;
③5.4÷2.7×0.8,
=2×0.8,
=1.6;
④132×101,
=132×(100+1),
=132×100+132,
=13332;
⑤6.25÷1.25÷0.8,
=6.25÷(1.25×0.8),
=6.25÷1,
=6.25;
⑥2.5×16,
=(2.5×4)×4,
=40.
=0.11×(1.8+8.2),
=0.11×10,
=1.1;
②2.34×99+2.34,
=2.34×(99+1),
=2.34×100,
=234;
③5.4÷2.7×0.8,
=2×0.8,
=1.6;
④132×101,
=132×(100+1),
=132×100+132,
=13332;
⑤6.25÷1.25÷0.8,
=6.25÷(1.25×0.8),
=6.25÷1,
=6.25;
⑥2.5×16,
=(2.5×4)×4,
=40.
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①0.11×1.8+8.2×0.11,
=0.11×(1.8+8.2),
=0.11×10,
=1.1;
②2.34×99+2.34,
=2.34×(99+1),
=2.34×100,
=234;
③5.4÷2.7×0.8,
=2×0.8,
=1.6;
④132×101,
=132×(100+1),
=132×100+132,
=13332;
⑤6.25÷1.25÷0.8,
=6.25÷(1.25×0.8),
=6.25÷1,
=6.25;
⑥2.5×16,
=(2.5×4)×4,
=40.
=0.11×(1.8+8.2),
=0.11×10,
=1.1;
②2.34×99+2.34,
=2.34×(99+1),
=2.34×100,
=234;
③5.4÷2.7×0.8,
=2×0.8,
=1.6;
④132×101,
=132×(100+1),
=132×100+132,
=13332;
⑤6.25÷1.25÷0.8,
=6.25÷(1.25×0.8),
=6.25÷1,
=6.25;
⑥2.5×16,
=(2.5×4)×4,
=40.
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