计算. 90-78.09+4.23 32.34÷2.l×0.45 15.32-1.8×5-3.46 (9-2.78)×15÷3.11 (1.
计算.90-78.09+4.2332.34÷2.l×0.4515.32-1.8×5-3.46(9-2.78)×15÷3.11(1.36+4.85)÷(0.15×6)3.6...
计算. 90-78.09+4.23 32.34÷2.l×0.45 15.32-1.8×5-3.46 (9-2.78)×15÷3.11 (1.36+4.85)÷(0.15×6) 3.6÷〔(1.3+0.6)×5〕
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(1)90-78.09+4.23,
=11.91+4.23,
=16.14;
(2)32.34÷2.l×0.45,
=15.4×0.45,
=6.93;
(3)15.32-1.8×5-3.46,
=15.32-9-3.46,
=6.32-3.46,
=2.86;
(4)(9-2.78)×15÷3.11,
=6.22×15÷3.11,
=93.3÷3.11,
=30;
(5)(1.36+4.85)÷(0.15×6),
=6.21÷0.9,
=6.9;
(6)3.6÷[(1.3+0.6)×5],
=3.6÷[(1.9×5],
=3.6÷9.5,
=
.
=11.91+4.23,
=16.14;
(2)32.34÷2.l×0.45,
=15.4×0.45,
=6.93;
(3)15.32-1.8×5-3.46,
=15.32-9-3.46,
=6.32-3.46,
=2.86;
(4)(9-2.78)×15÷3.11,
=6.22×15÷3.11,
=93.3÷3.11,
=30;
(5)(1.36+4.85)÷(0.15×6),
=6.21÷0.9,
=6.9;
(6)3.6÷[(1.3+0.6)×5],
=3.6÷[(1.9×5],
=3.6÷9.5,
=
36 |
95 |
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