求解啊,谢谢好心人,我急用
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用计算机就好可以算出来,鉴于你有手机推测肯定有计算机所以就不给你写答案了
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2020-05-28
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8.4×4.5-46.55÷3.5
=37.8-13.3
=24.5
21.85-(7.6+1.85)+2.4
=21.85-1.85-7.6+2.4
=20-7.6+2.4
=12.4+2.4
=14.8
2.5×(2.4+0.8)×1.25
=2.5×3.2×1.25
=2.5×4×0.8×1.25
=10×1
=10
(3.8-7.7÷2.5)×12.5
=(3.8-3.08)×12.5
=0.72×12.5
=0.09×8×12.5
=0.09×100
=9
46.4×3.7+6.4×46.4-4.64
=46.4×3.7+6.4×46.4-46.4×0.1
=46.4×(3.7+6.4-0.1)
=46.4×10
=464
=37.8-13.3
=24.5
21.85-(7.6+1.85)+2.4
=21.85-1.85-7.6+2.4
=20-7.6+2.4
=12.4+2.4
=14.8
2.5×(2.4+0.8)×1.25
=2.5×3.2×1.25
=2.5×4×0.8×1.25
=10×1
=10
(3.8-7.7÷2.5)×12.5
=(3.8-3.08)×12.5
=0.72×12.5
=0.09×8×12.5
=0.09×100
=9
46.4×3.7+6.4×46.4-4.64
=46.4×3.7+6.4×46.4-46.4×0.1
=46.4×(3.7+6.4-0.1)
=46.4×10
=464
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